217893375

素因数分解:

$3^3\times 5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:455

約数の個数: 128

約数和(自身を含む): 481628160

約数和(自身を除く): 263734785

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 25, 27, 35, 45, 63, 69, 75, 105, 115, 125, 135, 161, 175, 189, 207, 225, 315, 345, 375, 401, 483, 525, 575, 621, 675, 805, 875, 945, 1035, 1125, 1203, 1449, 1575, 1725, 2005, 2415, 2625, 2807, 2875, 3105, 3375, 3609, 4025, 4347, 4725, 5175, 6015, 7245, 7875, 8421, 8625, 9223, 10025, 10827, 12075, 14035, 15525, 18045, 20125, 21735, 23625, 25263, 25875, 27669, 30075, 36225, 42105, 46115, 50125, 54135, 60375, 64561, 70175, 75789, 77625, 83007, 90225, 108675, 126315, 138345, 150375, 181125, 193683, 210525, 230575, 249021, 270675, 322805, 350875, 378945, 415035, 451125, 543375, 581049, 631575, 691725, 968415, 1052625, 1152875, 1245105, 1353375, 1614025, 1743147, 1894725, 2075175, 2905245, 3157875, 3458625, 4842075, 6225525, 8070125, 8715735, 9473625, 10375875, 14526225, 24210375, 31127625, 43578675, 72631125, 217893375]

約数ペア:

[(1, 217893375), (3, 72631125), (5, 43578675), (7, 31127625), (9, 24210375), (15, 14526225), (21, 10375875), (23, 9473625), (25, 8715735), (27, 8070125), (35, 6225525), (45, 4842075), (63, 3458625), (69, 3157875), (75, 2905245), (105, 2075175), (115, 1894725), (125, 1743147), (135, 1614025), (161, 1353375), (175, 1245105), (189, 1152875), (207, 1052625), (225, 968415), (315, 691725), (345, 631575), (375, 581049), (401, 543375), (483, 451125), (525, 415035), (575, 378945), (621, 350875), (675, 322805), (805, 270675), (875, 249021), (945, 230575), (1035, 210525), (1125, 193683), (1203, 181125), (1449, 150375), (1575, 138345), (1725, 126315), (2005, 108675), (2415, 90225), (2625, 83007), (2807, 77625), (2875, 75789), (3105, 70175), (3375, 64561), (3609, 60375), (4025, 54135), (4347, 50125), (4725, 46115), (5175, 42105), (6015, 36225), (7245, 30075), (7875, 27669), (8421, 25875), (8625, 25263), (9223, 23625), (10025, 21735), (10827, 20125), (12075, 18045), (14035, 15525)]