121575075

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 219271680

約数和(自身を除く): 97696605

約数列:

[1, 3, 5, 15, 17, 25, 51, 71, 75, 79, 85, 213, 237, 255, 289, 355, 395, 425, 867, 1065, 1185, 1207, 1275, 1343, 1445, 1775, 1975, 3621, 4029, 4335, 5325, 5609, 5925, 6035, 6715, 7225, 16827, 18105, 20145, 20519, 21675, 22831, 28045, 30175, 33575, 61557, 68493, 84135, 90525, 95353, 100725, 102595, 114155, 140225, 286059, 307785, 342465, 420675, 476765, 512975, 570775, 1430295, 1538925, 1621001, 1712325, 2383825, 4863003, 7151475, 8105005, 24315015, 40525025, 121575075]

約数ペア:

[(1, 121575075), (3, 40525025), (5, 24315015), (15, 8105005), (17, 7151475), (25, 4863003), (51, 2383825), (71, 1712325), (75, 1621001), (79, 1538925), (85, 1430295), (213, 570775), (237, 512975), (255, 476765), (289, 420675), (355, 342465), (395, 307785), (425, 286059), (867, 140225), (1065, 114155), (1185, 102595), (1207, 100725), (1275, 95353), (1343, 90525), (1445, 84135), (1775, 68493), (1975, 61557), (3621, 33575), (4029, 30175), (4335, 28045), (5325, 22831), (5609, 21675), (5925, 20519), (6035, 20145), (6715, 18105), (7225, 16827)]