4015485

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 7665840

約数和(自身を除く): 3650355

約数列:

[1, 3, 5, 9, 15, 17, 29, 45, 51, 85, 87, 145, 153, 181, 255, 261, 435, 493, 543, 765, 905, 1305, 1479, 1629, 2465, 2715, 3077, 4437, 5249, 7395, 8145, 9231, 15385, 15747, 22185, 26245, 27693, 46155, 47241, 78735, 89233, 138465, 236205, 267699, 446165, 803097, 1338495, 4015485]

約数ペア:

[(1, 4015485), (3, 1338495), (5, 803097), (9, 446165), (15, 267699), (17, 236205), (29, 138465), (45, 89233), (51, 78735), (85, 47241), (87, 46155), (145, 27693), (153, 26245), (181, 22185), (255, 15747), (261, 15385), (435, 9231), (493, 8145), (543, 7395), (765, 5249), (905, 4437), (1305, 3077), (1479, 2715), (1629, 2465)]