201989475

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1277}}^1$

素因数の和:1349

約数の個数: 72

約数和(自身を含む): 391425840

約数和(自身を除く): 189436365

約数列:

[1, 3, 5, 9, 15, 19, 25, 37, 45, 57, 75, 95, 111, 171, 185, 225, 285, 333, 475, 555, 703, 855, 925, 1277, 1425, 1665, 2109, 2775, 3515, 3831, 4275, 6327, 6385, 8325, 10545, 11493, 17575, 19155, 24263, 31635, 31925, 47249, 52725, 57465, 72789, 95775, 121315, 141747, 158175, 218367, 236245, 287325, 363945, 425241, 606575, 708735, 897731, 1091835, 1181225, 1819725, 2126205, 2693193, 3543675, 4488655, 5459175, 8079579, 10631025, 13465965, 22443275, 40397895, 67329825, 201989475]

約数ペア:

[(1, 201989475), (3, 67329825), (5, 40397895), (9, 22443275), (15, 13465965), (19, 10631025), (25, 8079579), (37, 5459175), (45, 4488655), (57, 3543675), (75, 2693193), (95, 2126205), (111, 1819725), (171, 1181225), (185, 1091835), (225, 897731), (285, 708735), (333, 606575), (475, 425241), (555, 363945), (703, 287325), (855, 236245), (925, 218367), (1277, 158175), (1425, 141747), (1665, 121315), (2109, 95775), (2775, 72789), (3515, 57465), (3831, 52725), (4275, 47249), (6327, 31925), (6385, 31635), (8325, 24263), (10545, 19155), (11493, 17575)]