1651845

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 2927232

約数和(自身を除く): 1275387

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 197, 215, 559, 591, 645, 985, 1677, 2561, 2795, 2955, 7683, 8385, 8471, 12805, 25413, 38415, 42355, 110123, 127065, 330369, 550615, 1651845]

約数ペア:

[(1, 1651845), (3, 550615), (5, 330369), (13, 127065), (15, 110123), (39, 42355), (43, 38415), (65, 25413), (129, 12805), (195, 8471), (197, 8385), (215, 7683), (559, 2955), (591, 2795), (645, 2561), (985, 1677)]