16686165

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 27993600

約数和(自身を除く): 11307435

約数列:

[1, 3, 5, 15, 29, 87, 89, 145, 267, 431, 435, 445, 1293, 1335, 2155, 2581, 6465, 7743, 12499, 12905, 37497, 38359, 38715, 62495, 115077, 187485, 191795, 575385, 1112411, 3337233, 5562055, 16686165]

約数ペア:

[(1, 16686165), (3, 5562055), (5, 3337233), (15, 1112411), (29, 575385), (87, 191795), (89, 187485), (145, 115077), (267, 62495), (431, 38715), (435, 38359), (445, 37497), (1293, 12905), (1335, 12499), (2155, 7743), (2581, 6465)]