490639215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1321}}^1\times {\mathrm{2251}}^1$

素因数の和:3591

約数の個数: 32

約数和(自身を含む): 857417472

約数和(自身を除く): 366778257

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 1321, 2251, 3963, 6605, 6753, 11255, 14531, 19815, 24761, 33765, 43593, 72655, 74283, 123805, 217965, 371415, 2973571, 8920713, 14867855, 32709281, 44603565, 98127843, 163546405, 490639215]

約数ペア:

[(1, 490639215), (3, 163546405), (5, 98127843), (11, 44603565), (15, 32709281), (33, 14867855), (55, 8920713), (165, 2973571), (1321, 371415), (2251, 217965), (3963, 123805), (6605, 74283), (6753, 72655), (11255, 43593), (14531, 33765), (19815, 24761)]