978075

素因数分解:

$3^5\times 5^2\times 7^1\times {\mathrm{23}}^1$

素因数の和:55

約数の個数: 72

約数和(自身を含む): 2166528

約数和(自身を除く): 1188453

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 25, 27, 35, 45, 63, 69, 75, 81, 105, 115, 135, 161, 175, 189, 207, 225, 243, 315, 345, 405, 483, 525, 567, 575, 621, 675, 805, 945, 1035, 1215, 1449, 1575, 1701, 1725, 1863, 2025, 2415, 2835, 3105, 4025, 4347, 4725, 5175, 5589, 6075, 7245, 8505, 9315, 12075, 13041, 14175, 15525, 21735, 27945, 36225, 39123, 42525, 46575, 65205, 108675, 139725, 195615, 326025, 978075]

約数ペア:

[(1, 978075), (3, 326025), (5, 195615), (7, 139725), (9, 108675), (15, 65205), (21, 46575), (23, 42525), (25, 39123), (27, 36225), (35, 27945), (45, 21735), (63, 15525), (69, 14175), (75, 13041), (81, 12075), (105, 9315), (115, 8505), (135, 7245), (161, 6075), (175, 5589), (189, 5175), (207, 4725), (225, 4347), (243, 4025), (315, 3105), (345, 2835), (405, 2415), (483, 2025), (525, 1863), (567, 1725), (575, 1701), (621, 1575), (675, 1449), (805, 1215), (945, 1035)]