1972425

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2$

素因数の和:67

約数の個数: 72

約数和(自身を含む): 4263616

約数和(自身を除く): 2291191

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 25, 35, 39, 51, 65, 75, 85, 91, 105, 119, 175, 195, 221, 255, 273, 289, 325, 357, 425, 455, 525, 595, 663, 867, 975, 1105, 1275, 1365, 1445, 1547, 1785, 2023, 2275, 2975, 3315, 3757, 4335, 4641, 5525, 6069, 6825, 7225, 7735, 8925, 10115, 11271, 16575, 18785, 21675, 23205, 26299, 30345, 38675, 50575, 56355, 78897, 93925, 116025, 131495, 151725, 281775, 394485, 657475, 1972425]

約数ペア:

[(1, 1972425), (3, 657475), (5, 394485), (7, 281775), (13, 151725), (15, 131495), (17, 116025), (21, 93925), (25, 78897), (35, 56355), (39, 50575), (51, 38675), (65, 30345), (75, 26299), (85, 23205), (91, 21675), (105, 18785), (119, 16575), (175, 11271), (195, 10115), (221, 8925), (255, 7735), (273, 7225), (289, 6825), (325, 6069), (357, 5525), (425, 4641), (455, 4335), (525, 3757), (595, 3315), (663, 2975), (867, 2275), (975, 2023), (1105, 1785), (1275, 1547), (1365, 1445)]