2577575

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 4333056

約数和(自身を除く): 1755481

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 103, 143, 175, 275, 325, 385, 455, 515, 715, 721, 1001, 1133, 1339, 1925, 2275, 2575, 3575, 3605, 5005, 5665, 6695, 7931, 9373, 14729, 18025, 25025, 28325, 33475, 39655, 46865, 73645, 103103, 198275, 234325, 368225, 515515, 2577575]

約数ペア:

[(1, 2577575), (5, 515515), (7, 368225), (11, 234325), (13, 198275), (25, 103103), (35, 73645), (55, 46865), (65, 39655), (77, 33475), (91, 28325), (103, 25025), (143, 18025), (175, 14729), (275, 9373), (325, 7931), (385, 6695), (455, 5665), (515, 5005), (715, 3605), (721, 3575), (1001, 2575), (1133, 2275), (1339, 1925)]