18183501

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:175

約数の個数: 64

約数和(自身を含む): 33177600

約数和(自身を除く): 14994099

約数列:

[1, 3, 7, 9, 21, 23, 27, 47, 63, 69, 89, 141, 161, 189, 207, 267, 329, 423, 483, 621, 623, 801, 987, 1081, 1269, 1449, 1869, 2047, 2403, 2961, 3243, 4183, 4347, 5607, 6141, 7567, 8883, 9729, 12549, 14329, 16821, 18423, 22701, 29187, 29281, 37647, 42987, 55269, 68103, 87843, 96209, 112941, 128961, 204309, 263529, 288627, 386883, 673463, 790587, 865881, 2020389, 2597643, 6061167, 18183501]

約数ペア:

[(1, 18183501), (3, 6061167), (7, 2597643), (9, 2020389), (21, 865881), (23, 790587), (27, 673463), (47, 386883), (63, 288627), (69, 263529), (89, 204309), (141, 128961), (161, 112941), (189, 96209), (207, 87843), (267, 68103), (329, 55269), (423, 42987), (483, 37647), (621, 29281), (623, 29187), (801, 22701), (987, 18423), (1081, 16821), (1269, 14329), (1449, 12549), (1869, 9729), (2047, 8883), (2403, 7567), (2961, 6141), (3243, 5607), (4183, 4347)]