31870125

素因数分解:

$3^3\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:121

約数の個数: 128

約数和(自身を含む): 71884800

約数和(自身を除く): 40014675

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 27, 35, 45, 57, 63, 71, 75, 95, 105, 125, 133, 135, 171, 175, 189, 213, 225, 285, 315, 355, 375, 399, 475, 497, 513, 525, 639, 665, 675, 855, 875, 945, 1065, 1125, 1197, 1349, 1425, 1491, 1575, 1775, 1917, 1995, 2375, 2485, 2565, 2625, 3195, 3325, 3375, 3591, 4047, 4275, 4473, 4725, 5325, 5985, 6745, 7125, 7455, 7875, 8875, 9443, 9585, 9975, 12141, 12425, 12825, 13419, 15975, 16625, 17955, 20235, 21375, 22365, 23625, 26625, 28329, 29925, 33725, 36423, 37275, 47215, 47925, 49875, 60705, 62125, 64125, 67095, 79875, 84987, 89775, 101175, 111825, 141645, 149625, 168625, 182115, 186375, 236075, 239625, 254961, 303525, 335475, 424935, 448875, 505875, 559125, 708225, 910575, 1180375, 1274805, 1517625, 1677375, 2124675, 3541125, 4552875, 6374025, 10623375, 31870125]

約数ペア:

[(1, 31870125), (3, 10623375), (5, 6374025), (7, 4552875), (9, 3541125), (15, 2124675), (19, 1677375), (21, 1517625), (25, 1274805), (27, 1180375), (35, 910575), (45, 708225), (57, 559125), (63, 505875), (71, 448875), (75, 424935), (95, 335475), (105, 303525), (125, 254961), (133, 239625), (135, 236075), (171, 186375), (175, 182115), (189, 168625), (213, 149625), (225, 141645), (285, 111825), (315, 101175), (355, 89775), (375, 84987), (399, 79875), (475, 67095), (497, 64125), (513, 62125), (525, 60705), (639, 49875), (665, 47925), (675, 47215), (855, 37275), (875, 36423), (945, 33725), (1065, 29925), (1125, 28329), (1197, 26625), (1349, 23625), (1425, 22365), (1491, 21375), (1575, 20235), (1775, 17955), (1917, 16625), (1995, 15975), (2375, 13419), (2485, 12825), (2565, 12425), (2625, 12141), (3195, 9975), (3325, 9585), (3375, 9443), (3591, 8875), (4047, 7875), (4275, 7455), (4473, 7125), (4725, 6745), (5325, 5985)]