22878375

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^2\times {\mathrm{19}}^2$

素因数の和:82

約数の個数: 72

約数和(自身を含む): 43507152

約数和(自身を除く): 20628777

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 57, 65, 75, 95, 125, 169, 195, 247, 285, 325, 361, 375, 475, 507, 741, 845, 975, 1083, 1235, 1425, 1625, 1805, 2375, 2535, 3211, 3705, 4225, 4693, 4875, 5415, 6175, 7125, 9025, 9633, 12675, 14079, 16055, 18525, 21125, 23465, 27075, 30875, 45125, 48165, 61009, 63375, 70395, 80275, 92625, 117325, 135375, 183027, 240825, 305045, 351975, 401375, 586625, 915135, 1204125, 1525225, 1759875, 4575675, 7626125, 22878375]

約数ペア:

[(1, 22878375), (3, 7626125), (5, 4575675), (13, 1759875), (15, 1525225), (19, 1204125), (25, 915135), (39, 586625), (57, 401375), (65, 351975), (75, 305045), (95, 240825), (125, 183027), (169, 135375), (195, 117325), (247, 92625), (285, 80275), (325, 70395), (361, 63375), (375, 61009), (475, 48165), (507, 45125), (741, 30875), (845, 27075), (975, 23465), (1083, 21125), (1235, 18525), (1425, 16055), (1625, 14079), (1805, 12675), (2375, 9633), (2535, 9025), (3211, 7125), (3705, 6175), (4225, 5415), (4693, 4875)]