81690273

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{56377}}^1$

素因数の和:56413

約数の個数: 24

約数和(自身を含む): 140719488

約数和(自身を除く): 59029215

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 56377, 169131, 394639, 507393, 1183917, 1296671, 3551751, 3890013, 9076697, 11670039, 27230091, 81690273]

約数ペア:

[(1, 81690273), (3, 27230091), (7, 11670039), (9, 9076697), (21, 3890013), (23, 3551751), (63, 1296671), (69, 1183917), (161, 507393), (207, 394639), (483, 169131), (1449, 56377)]