27769875

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 53913600

約数和(自身を除く): 26143725

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 71, 75, 105, 125, 149, 175, 213, 355, 375, 447, 497, 525, 745, 875, 1043, 1065, 1491, 1775, 2235, 2485, 2625, 3129, 3725, 5215, 5325, 7455, 8875, 10579, 11175, 12425, 15645, 18625, 26075, 26625, 31737, 37275, 52895, 55875, 62125, 74053, 78225, 130375, 158685, 186375, 222159, 264475, 370265, 391125, 793425, 1110795, 1322375, 1851325, 3967125, 5553975, 9256625, 27769875]

約数ペア:

[(1, 27769875), (3, 9256625), (5, 5553975), (7, 3967125), (15, 1851325), (21, 1322375), (25, 1110795), (35, 793425), (71, 391125), (75, 370265), (105, 264475), (125, 222159), (149, 186375), (175, 158685), (213, 130375), (355, 78225), (375, 74053), (447, 62125), (497, 55875), (525, 52895), (745, 37275), (875, 31737), (1043, 26625), (1065, 26075), (1491, 18625), (1775, 15645), (2235, 12425), (2485, 11175), (2625, 10579), (3129, 8875), (3725, 7455), (5215, 5325)]