201731775

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3229}}^1$

素因数の和:3273

約数の個数: 72

約数和(自身を含む): 410933520

約数和(自身を除く): 209201745

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, 833, 1225, 1275, 1785, 2499, 2975, 3229, 3675, 4165, 8925, 9687, 12495, 16145, 20825, 22603, 48435, 54893, 62475, 67809, 80725, 113015, 158221, 164679, 242175, 274465, 339045, 384251, 474663, 565075, 791105, 823395, 1152753, 1372325, 1695225, 1921255, 2373315, 2689757, 3955525, 4116975, 5763765, 8069271, 9606275, 11866575, 13448785, 28818825, 40346355, 67243925, 201731775]

約数ペア:

[(1, 201731775), (3, 67243925), (5, 40346355), (7, 28818825), (15, 13448785), (17, 11866575), (21, 9606275), (25, 8069271), (35, 5763765), (49, 4116975), (51, 3955525), (75, 2689757), (85, 2373315), (105, 1921255), (119, 1695225), (147, 1372325), (175, 1152753), (245, 823395), (255, 791105), (357, 565075), (425, 474663), (525, 384251), (595, 339045), (735, 274465), (833, 242175), (1225, 164679), (1275, 158221), (1785, 113015), (2499, 80725), (2975, 67809), (3229, 62475), (3675, 54893), (4165, 48435), (8925, 22603), (9687, 20825), (12495, 16145)]