201530397

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 290160000

約数和(自身を除く): 88629603

約数列:

[1, 3, 19, 57, 61, 149, 183, 389, 447, 1159, 1167, 2831, 3477, 7391, 8493, 9089, 22173, 23729, 27267, 57961, 71187, 172691, 173883, 450851, 518073, 1101259, 1352553, 3303777, 3535621, 10606863, 67176799, 201530397]

約数ペア:

[(1, 201530397), (3, 67176799), (19, 10606863), (57, 3535621), (61, 3303777), (149, 1352553), (183, 1101259), (389, 518073), (447, 450851), (1159, 173883), (1167, 172691), (2831, 71187), (3477, 57961), (7391, 27267), (8493, 23729), (9089, 22173)]