7943145

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 15069888

約数和(自身を除く): 7126743

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 101, 105, 107, 147, 245, 303, 321, 505, 535, 707, 735, 749, 1515, 1605, 2121, 2247, 3535, 3745, 4949, 5243, 10605, 10807, 11235, 14847, 15729, 24745, 26215, 32421, 54035, 74235, 75649, 78645, 162105, 226947, 378245, 529543, 1134735, 1588629, 2647715, 7943145]

約数ペア:

[(1, 7943145), (3, 2647715), (5, 1588629), (7, 1134735), (15, 529543), (21, 378245), (35, 226947), (49, 162105), (101, 78645), (105, 75649), (107, 74235), (147, 54035), (245, 32421), (303, 26215), (321, 24745), (505, 15729), (535, 14847), (707, 11235), (735, 10807), (749, 10605), (1515, 5243), (1605, 4949), (2121, 3745), (2247, 3535)]