81564615

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{3109}}^1$

素因数の和:3184

約数の個数: 48

約数和(自身を含む): 157191840

約数和(自身を除く): 75627225

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 53, 55, 99, 159, 165, 265, 477, 495, 583, 795, 1749, 2385, 2915, 3109, 5247, 8745, 9327, 15545, 26235, 27981, 34199, 46635, 102597, 139905, 164777, 170995, 307791, 494331, 512985, 823885, 1482993, 1538955, 1812547, 2471655, 5437641, 7414965, 9062735, 16312923, 27188205, 81564615]

約数ペア:

[(1, 81564615), (3, 27188205), (5, 16312923), (9, 9062735), (11, 7414965), (15, 5437641), (33, 2471655), (45, 1812547), (53, 1538955), (55, 1482993), (99, 823885), (159, 512985), (165, 494331), (265, 307791), (477, 170995), (495, 164777), (583, 139905), (795, 102597), (1749, 46635), (2385, 34199), (2915, 27981), (3109, 26235), (5247, 15545), (8745, 9327)]