225113903

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{509}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 279659520

約数和(自身を除く): 54545617

約数列:

[1, 7, 23, 41, 67, 161, 287, 469, 509, 943, 1541, 2747, 3563, 6601, 10787, 11707, 19229, 20869, 34103, 63181, 81949, 146083, 238721, 442267, 479987, 784369, 1398223, 3359909, 5490583, 9787561, 32159129, 225113903]

約数ペア:

[(1, 225113903), (7, 32159129), (23, 9787561), (41, 5490583), (67, 3359909), (161, 1398223), (287, 784369), (469, 479987), (509, 442267), (943, 238721), (1541, 146083), (2747, 81949), (3563, 63181), (6601, 34103), (10787, 20869), (11707, 19229)]