81917430

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{390083}}^1$

素因数の和:390100

約数の個数: 32

約数和(自身を含む): 224688384

約数和(自身を除く): 142770954

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 390083, 780166, 1170249, 1950415, 2340498, 2730581, 3900830, 5461162, 5851245, 8191743, 11702490, 13652905, 16383486, 27305810, 40958715, 81917430]

約数ペア:

[(1, 81917430), (2, 40958715), (3, 27305810), (5, 16383486), (6, 13652905), (7, 11702490), (10, 8191743), (14, 5851245), (15, 5461162), (21, 3900830), (30, 2730581), (35, 2340498), (42, 1950415), (70, 1170249), (105, 780166), (210, 390083)]