78390915

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{587}}^1$

素因数の和:931

約数の個数: 32

約数和(自身を含む): 130394880

約数和(自身を除く): 52003965

約数列:

[1, 3, 5, 15, 29, 87, 145, 307, 435, 587, 921, 1535, 1761, 2935, 4605, 8805, 8903, 17023, 26709, 44515, 51069, 85115, 133545, 180209, 255345, 540627, 901045, 2703135, 5226061, 15678183, 26130305, 78390915]

約数ペア:

[(1, 78390915), (3, 26130305), (5, 15678183), (15, 5226061), (29, 2703135), (87, 901045), (145, 540627), (307, 255345), (435, 180209), (587, 133545), (921, 85115), (1535, 51069), (1761, 44515), (2935, 26709), (4605, 17023), (8805, 8903)]