2745855

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 5690880

約数和(自身を除く): 2945025

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 63, 69, 105, 115, 161, 207, 315, 345, 379, 483, 805, 1035, 1137, 1449, 1895, 2415, 2653, 3411, 5685, 7245, 7959, 8717, 13265, 17055, 23877, 26151, 39795, 43585, 61019, 78453, 119385, 130755, 183057, 305095, 392265, 549171, 915285, 2745855]

約数ペア:

[(1, 2745855), (3, 915285), (5, 549171), (7, 392265), (9, 305095), (15, 183057), (21, 130755), (23, 119385), (35, 78453), (45, 61019), (63, 43585), (69, 39795), (105, 26151), (115, 23877), (161, 17055), (207, 13265), (315, 8717), (345, 7959), (379, 7245), (483, 5685), (805, 3411), (1035, 2653), (1137, 2415), (1449, 1895)]