77840685

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{491}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 146135808

約数和(自身を除く): 68295123

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 271, 491, 585, 813, 1355, 1473, 2439, 2455, 3523, 4065, 4419, 6383, 7365, 10569, 12195, 17615, 19149, 22095, 31707, 31915, 52845, 57447, 95745, 133061, 158535, 287235, 399183, 665305, 1197549, 1729793, 1995915, 5189379, 5987745, 8648965, 15568137, 25946895, 77840685]

約数ペア:

[(1, 77840685), (3, 25946895), (5, 15568137), (9, 8648965), (13, 5987745), (15, 5189379), (39, 1995915), (45, 1729793), (65, 1197549), (117, 665305), (195, 399183), (271, 287235), (491, 158535), (585, 133061), (813, 95745), (1355, 57447), (1473, 52845), (2439, 31915), (2455, 31707), (3523, 22095), (4065, 19149), (4419, 17615), (6383, 12195), (7365, 10569)]