81653415

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{337}}^1\times {\mathrm{557}}^1$

素因数の和:931

約数の個数: 32

約数和(自身を含む): 135794880

約数和(自身を除く): 54141465

約数列:

[1, 3, 5, 15, 29, 87, 145, 337, 435, 557, 1011, 1671, 1685, 2785, 5055, 8355, 9773, 16153, 29319, 48459, 48865, 80765, 146595, 187709, 242295, 563127, 938545, 2815635, 5443561, 16330683, 27217805, 81653415]

約数ペア:

[(1, 81653415), (3, 27217805), (5, 16330683), (15, 5443561), (29, 2815635), (87, 938545), (145, 563127), (337, 242295), (435, 187709), (557, 146595), (1011, 80765), (1671, 48865), (1685, 48459), (2785, 29319), (5055, 16153), (8355, 9773)]