1871415

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 4001088

約数和(自身を除く): 2129673

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 457, 585, 819, 1365, 1371, 2285, 3199, 4095, 4113, 5941, 6855, 9597, 15995, 17823, 20565, 28791, 29705, 41587, 47985, 53469, 89115, 124761, 143955, 207935, 267345, 374283, 623805, 1871415]

約数ペア:

[(1, 1871415), (3, 623805), (5, 374283), (7, 267345), (9, 207935), (13, 143955), (15, 124761), (21, 89115), (35, 53469), (39, 47985), (45, 41587), (63, 29705), (65, 28791), (91, 20565), (105, 17823), (117, 15995), (195, 9597), (273, 6855), (315, 5941), (455, 4113), (457, 4095), (585, 3199), (819, 2285), (1365, 1371)]