73726875

素因数分解:

$3^3\times 5^4\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:303

約数の個数: 80

約数和(自身を含む): 145078560

約数和(自身を除く): 71351685

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 125, 135, 153, 225, 255, 257, 375, 425, 459, 625, 675, 765, 771, 1125, 1275, 1285, 1875, 2125, 2295, 2313, 3375, 3825, 3855, 4369, 5625, 6375, 6425, 6939, 10625, 11475, 11565, 13107, 16875, 19125, 19275, 21845, 31875, 32125, 34695, 39321, 57375, 57825, 65535, 95625, 96375, 109225, 117963, 160625, 173475, 196605, 286875, 289125, 327675, 481875, 546125, 589815, 867375, 983025, 1445625, 1638375, 2730625, 2949075, 4336875, 4915125, 8191875, 14745375, 24575625, 73726875]

約数ペア:

[(1, 73726875), (3, 24575625), (5, 14745375), (9, 8191875), (15, 4915125), (17, 4336875), (25, 2949075), (27, 2730625), (45, 1638375), (51, 1445625), (75, 983025), (85, 867375), (125, 589815), (135, 546125), (153, 481875), (225, 327675), (255, 289125), (257, 286875), (375, 196605), (425, 173475), (459, 160625), (625, 117963), (675, 109225), (765, 96375), (771, 95625), (1125, 65535), (1275, 57825), (1285, 57375), (1875, 39321), (2125, 34695), (2295, 32125), (2313, 31875), (3375, 21845), (3825, 19275), (3855, 19125), (4369, 16875), (5625, 13107), (6375, 11565), (6425, 11475), (6939, 10625)]