30875553

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:654

約数の個数: 32

約数和(自身を含む): 48885120

約数和(自身を除く): 18009567

約数列:

[1, 3, 9, 17, 27, 51, 137, 153, 411, 459, 491, 1233, 1473, 2329, 3699, 4419, 6987, 8347, 13257, 20961, 25041, 62883, 67267, 75123, 201801, 225369, 605403, 1143539, 1816209, 3430617, 10291851, 30875553]

約数ペア:

[(1, 30875553), (3, 10291851), (9, 3430617), (17, 1816209), (27, 1143539), (51, 605403), (137, 225369), (153, 201801), (411, 75123), (459, 67267), (491, 62883), (1233, 25041), (1473, 20961), (2329, 13257), (3699, 8347), (4419, 6987)]