1938885

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 3416448

約数和(自身を除く): 1477563

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 163, 183, 195, 305, 489, 793, 815, 915, 2119, 2379, 2445, 3965, 6357, 9943, 10595, 11895, 29829, 31785, 49715, 129259, 149145, 387777, 646295, 1938885]

約数ペア:

[(1, 1938885), (3, 646295), (5, 387777), (13, 149145), (15, 129259), (39, 49715), (61, 31785), (65, 29829), (163, 11895), (183, 10595), (195, 9943), (305, 6357), (489, 3965), (793, 2445), (815, 2379), (915, 2119)]