28887375

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 53913600

約数和(自身を除く): 25026225

約数列:

[1, 3, 5, 11, 15, 25, 33, 47, 55, 75, 125, 141, 149, 165, 235, 275, 375, 447, 517, 705, 745, 825, 1175, 1375, 1551, 1639, 2235, 2585, 3525, 3725, 4125, 4917, 5875, 7003, 7755, 8195, 11175, 12925, 17625, 18625, 21009, 24585, 35015, 38775, 40975, 55875, 64625, 77033, 105045, 122925, 175075, 193875, 204875, 231099, 385165, 525225, 614625, 875375, 1155495, 1925825, 2626125, 5777475, 9629125, 28887375]

約数ペア:

[(1, 28887375), (3, 9629125), (5, 5777475), (11, 2626125), (15, 1925825), (25, 1155495), (33, 875375), (47, 614625), (55, 525225), (75, 385165), (125, 231099), (141, 204875), (149, 193875), (165, 175075), (235, 122925), (275, 105045), (375, 77033), (447, 64625), (517, 55875), (705, 40975), (745, 38775), (825, 35015), (1175, 24585), (1375, 21009), (1551, 18625), (1639, 17625), (2235, 12925), (2585, 11175), (3525, 8195), (3725, 7755), (4125, 7003), (4917, 5875)]