18056775

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 33390720

約数和(自身を除く): 15333945

約数列:

[1, 3, 5, 11, 15, 25, 33, 43, 55, 75, 129, 165, 215, 275, 473, 509, 645, 825, 1075, 1419, 1527, 2365, 2545, 3225, 5599, 7095, 7635, 11825, 12725, 16797, 21887, 27995, 35475, 38175, 65661, 83985, 109435, 139975, 240757, 328305, 419925, 547175, 722271, 1203785, 1641525, 3611355, 6018925, 18056775]

約数ペア:

[(1, 18056775), (3, 6018925), (5, 3611355), (11, 1641525), (15, 1203785), (25, 722271), (33, 547175), (43, 419925), (55, 328305), (75, 240757), (129, 139975), (165, 109435), (215, 83985), (275, 65661), (473, 38175), (509, 35475), (645, 27995), (825, 21887), (1075, 16797), (1419, 12725), (1527, 11825), (2365, 7635), (2545, 7095), (3225, 5599)]