81854835

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{509}}^1$

素因数の和:739

約数の個数: 32

約数和(自身を含む): 133954560

約数和(自身を除く): 52099725

約数列:

[1, 3, 5, 15, 71, 151, 213, 355, 453, 509, 755, 1065, 1527, 2265, 2545, 7635, 10721, 32163, 36139, 53605, 76859, 108417, 160815, 180695, 230577, 384295, 542085, 1152885, 5456989, 16370967, 27284945, 81854835]

約数ペア:

[(1, 81854835), (3, 27284945), (5, 16370967), (15, 5456989), (71, 1152885), (151, 542085), (213, 384295), (355, 230577), (453, 180695), (509, 160815), (755, 108417), (1065, 76859), (1527, 53605), (2265, 36139), (2545, 32163), (7635, 10721)]