15882265

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 22784256

約数和(自身を除く): 6901991

約数列:

[1, 5, 7, 35, 43, 61, 173, 215, 301, 305, 427, 865, 1211, 1505, 2135, 2623, 6055, 7439, 10553, 13115, 18361, 37195, 52073, 52765, 73871, 91805, 260365, 369355, 453779, 2268895, 3176453, 15882265]

約数ペア:

[(1, 15882265), (5, 3176453), (7, 2268895), (35, 453779), (43, 369355), (61, 260365), (173, 91805), (215, 73871), (301, 52765), (305, 52073), (427, 37195), (865, 18361), (1211, 13115), (1505, 10553), (2135, 7439), (2623, 6055)]