812175

素因数分解:

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

素因数の和:57

約数の個数: 72

約数和(自身を含む): 1781136

約数和(自身を除く): 968961

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 25, 35, 39, 49, 51, 65, 75, 85, 91, 105, 119, 147, 175, 195, 221, 245, 255, 273, 325, 357, 425, 455, 525, 595, 637, 663, 735, 833, 975, 1105, 1225, 1275, 1365, 1547, 1785, 1911, 2275, 2499, 2975, 3185, 3315, 3675, 4165, 4641, 5525, 6825, 7735, 8925, 9555, 10829, 12495, 15925, 16575, 20825, 23205, 32487, 38675, 47775, 54145, 62475, 116025, 162435, 270725, 812175]

約数ペア:

[(1, 812175), (3, 270725), (5, 162435), (7, 116025), (13, 62475), (15, 54145), (17, 47775), (21, 38675), (25, 32487), (35, 23205), (39, 20825), (49, 16575), (51, 15925), (65, 12495), (75, 10829), (85, 9555), (91, 8925), (105, 7735), (119, 6825), (147, 5525), (175, 4641), (195, 4165), (221, 3675), (245, 3315), (255, 3185), (273, 2975), (325, 2499), (357, 2275), (425, 1911), (455, 1785), (525, 1547), (595, 1365), (637, 1275), (663, 1225), (735, 1105), (833, 975)]