1889109

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 32

約数和(自身を含む): 3015680

約数和(自身を除く): 1126571

約数列:

[1, 3, 9, 27, 31, 37, 61, 93, 111, 183, 279, 333, 549, 837, 999, 1147, 1647, 1891, 2257, 3441, 5673, 6771, 10323, 17019, 20313, 30969, 51057, 60939, 69967, 209901, 629703, 1889109]

約数ペア:

[(1, 1889109), (3, 629703), (9, 209901), (27, 69967), (31, 60939), (37, 51057), (61, 30969), (93, 20313), (111, 17019), (183, 10323), (279, 6771), (333, 5673), (549, 3441), (837, 2257), (999, 1891), (1147, 1647)]