51791775

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{829}}^1$

素因数の和:873

約数の個数: 72

約数和(自身を含む): 105595920

約数和(自身を除く): 53804145

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 49, 51, 75, 85, 105, 119, 147, 175, 245, 255, 357, 425, 525, 595, 735, 829, 833, 1225, 1275, 1785, 2487, 2499, 2975, 3675, 4145, 4165, 5803, 8925, 12435, 12495, 14093, 17409, 20725, 20825, 29015, 40621, 42279, 62175, 62475, 70465, 87045, 98651, 121863, 145075, 203105, 211395, 295953, 352325, 435225, 493255, 609315, 690557, 1015525, 1056975, 1479765, 2071671, 2466275, 3046575, 3452785, 7398825, 10358355, 17263925, 51791775]

約数ペア:

[(1, 51791775), (3, 17263925), (5, 10358355), (7, 7398825), (15, 3452785), (17, 3046575), (21, 2466275), (25, 2071671), (35, 1479765), (49, 1056975), (51, 1015525), (75, 690557), (85, 609315), (105, 493255), (119, 435225), (147, 352325), (175, 295953), (245, 211395), (255, 203105), (357, 145075), (425, 121863), (525, 98651), (595, 87045), (735, 70465), (829, 62475), (833, 62175), (1225, 42279), (1275, 40621), (1785, 29015), (2487, 20825), (2499, 20725), (2975, 17409), (3675, 14093), (4145, 12495), (4165, 12435), (5803, 8925)]