213320145

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{5807}}^1$

素因数の和:5925

約数の個数: 32

約数和(自身を含む): 356843520

約数和(自身を除く): 143523375

約数列:

[1, 3, 5, 15, 31, 79, 93, 155, 237, 395, 465, 1185, 2449, 5807, 7347, 12245, 17421, 29035, 36735, 87105, 180017, 458753, 540051, 900085, 1376259, 2293765, 2700255, 6881295, 14221343, 42664029, 71106715, 213320145]

約数ペア:

[(1, 213320145), (3, 71106715), (5, 42664029), (15, 14221343), (31, 6881295), (79, 2700255), (93, 2293765), (155, 1376259), (237, 900085), (395, 540051), (465, 458753), (1185, 180017), (2449, 87105), (5807, 36735), (7347, 29035), (12245, 17421)]