68211975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1627}}^1$

素因数の和:1696

約数の個数: 48

約数和(自身を含む): 124353152

約数和(自身を除く): 56141177

約数列:

[1, 3, 5, 13, 15, 25, 39, 43, 65, 75, 129, 195, 215, 325, 559, 645, 975, 1075, 1627, 1677, 2795, 3225, 4881, 8135, 8385, 13975, 21151, 24405, 40675, 41925, 63453, 69961, 105755, 122025, 209883, 317265, 349805, 528775, 909493, 1049415, 1586325, 1749025, 2728479, 4547465, 5247075, 13642395, 22737325, 68211975]

約数ペア:

[(1, 68211975), (3, 22737325), (5, 13642395), (13, 5247075), (15, 4547465), (25, 2728479), (39, 1749025), (43, 1586325), (65, 1049415), (75, 909493), (129, 528775), (195, 349805), (215, 317265), (325, 209883), (559, 122025), (645, 105755), (975, 69961), (1075, 63453), (1627, 41925), (1677, 40675), (2795, 24405), (3225, 21151), (4881, 13975), (8135, 8385)]