12540855

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{557}}^1$

素因数の和:663

約数の個数: 32

約数和(自身を含む): 21427200

約数和(自身を除く): 8886345

約数列:

[1, 3, 5, 15, 19, 57, 79, 95, 237, 285, 395, 557, 1185, 1501, 1671, 2785, 4503, 7505, 8355, 10583, 22515, 31749, 44003, 52915, 132009, 158745, 220015, 660045, 836057, 2508171, 4180285, 12540855]

約数ペア:

[(1, 12540855), (3, 4180285), (5, 2508171), (15, 836057), (19, 660045), (57, 220015), (79, 158745), (95, 132009), (237, 52915), (285, 44003), (395, 31749), (557, 22515), (1185, 10583), (1501, 8355), (1671, 7505), (2785, 4503)]