1721430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:661

約数の個数: 48

約数和(自身を含む): 4627584

約数和(自身を除く): 2906154

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 617, 930, 1234, 1395, 1851, 2790, 3085, 3702, 5553, 6170, 9255, 11106, 18510, 19127, 27765, 38254, 55530, 57381, 95635, 114762, 172143, 191270, 286905, 344286, 573810, 860715, 1721430]

約数ペア:

[(1, 1721430), (2, 860715), (3, 573810), (5, 344286), (6, 286905), (9, 191270), (10, 172143), (15, 114762), (18, 95635), (30, 57381), (31, 55530), (45, 38254), (62, 27765), (90, 19127), (93, 18510), (155, 11106), (186, 9255), (279, 6170), (310, 5553), (465, 3702), (558, 3085), (617, 2790), (930, 1851), (1234, 1395)]