81729505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{757}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 116137728

約数和(自身を除く): 34408223

約数列:

[1, 5, 11, 13, 55, 65, 143, 151, 715, 755, 757, 1661, 1963, 3785, 8305, 8327, 9815, 9841, 21593, 41635, 49205, 107965, 108251, 114307, 541255, 571535, 1257377, 1485991, 6286885, 7429955, 16345901, 81729505]

約数ペア:

[(1, 81729505), (5, 16345901), (11, 7429955), (13, 6286885), (55, 1485991), (65, 1257377), (143, 571535), (151, 541255), (715, 114307), (755, 108251), (757, 107965), (1661, 49205), (1963, 41635), (3785, 21593), (8305, 9841), (8327, 9815)]