205122333375

素因数分解:

$3^2\times 5^3\times {\mathrm{257}}^1\times {\mathrm{547}}^1\times {\mathrm{1297}}^1$

素因数の和:2122

約数の個数: 96

約数和(自身を含む): 372171324096

約数和(自身を除く): 167048990721

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 257, 375, 547, 771, 1125, 1285, 1297, 1641, 2313, 2735, 3855, 3891, 4923, 6425, 6485, 8205, 11565, 11673, 13675, 19275, 19455, 24615, 32125, 32425, 41025, 57825, 58365, 68375, 96375, 97275, 123075, 140579, 162125, 205125, 289125, 291825, 333329, 421737, 486375, 615375, 702895, 709459, 999987, 1265211, 1459125, 1666645, 2108685, 2128377, 2999961, 3514475, 3547295, 4999935, 6326055, 6385131, 8333225, 10543425, 10641885, 14999805, 17572375, 17736475, 24999675, 31630275, 31925655, 41666125, 52717125, 53209425, 74999025, 88682375, 124998375, 158151375, 159628275, 182330963, 266047125, 374995125, 546992889, 798141375, 911654815, 1640978667, 2734964445, 4558274075, 8204893335, 13674822225, 22791370375, 41024466675, 68374111125, 205122333375]

約数ペア:

[(1, 205122333375), (3, 68374111125), (5, 41024466675), (9, 22791370375), (15, 13674822225), (25, 8204893335), (45, 4558274075), (75, 2734964445), (125, 1640978667), (225, 911654815), (257, 798141375), (375, 546992889), (547, 374995125), (771, 266047125), (1125, 182330963), (1285, 159628275), (1297, 158151375), (1641, 124998375), (2313, 88682375), (2735, 74999025), (3855, 53209425), (3891, 52717125), (4923, 41666125), (6425, 31925655), (6485, 31630275), (8205, 24999675), (11565, 17736475), (11673, 17572375), (13675, 14999805), (19275, 10641885), (19455, 10543425), (24615, 8333225), (32125, 6385131), (32425, 6326055), (41025, 4999935), (57825, 3547295), (58365, 3514475), (68375, 2999961), (96375, 2128377), (97275, 2108685), (123075, 1666645), (140579, 1459125), (162125, 1265211), (205125, 999987), (289125, 709459), (291825, 702895), (333329, 615375), (421737, 486375)]