668603775

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{4231}}^1$

素因数の和:4301

約数の個数: 72

約数和(自身を含む): 1316118144

約数和(自身を除く): 647514369

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 43, 49, 75, 105, 129, 147, 175, 215, 245, 301, 525, 645, 735, 903, 1075, 1225, 1505, 2107, 3225, 3675, 4231, 4515, 6321, 7525, 10535, 12693, 21155, 22575, 29617, 31605, 52675, 63465, 88851, 105775, 148085, 158025, 181933, 207319, 317325, 444255, 545799, 621957, 740425, 909665, 1036595, 1273531, 2221275, 2728995, 3109785, 3820593, 4548325, 5182975, 6367655, 8914717, 13644975, 15548925, 19102965, 26744151, 31838275, 44573585, 95514825, 133720755, 222867925, 668603775]

約数ペア:

[(1, 668603775), (3, 222867925), (5, 133720755), (7, 95514825), (15, 44573585), (21, 31838275), (25, 26744151), (35, 19102965), (43, 15548925), (49, 13644975), (75, 8914717), (105, 6367655), (129, 5182975), (147, 4548325), (175, 3820593), (215, 3109785), (245, 2728995), (301, 2221275), (525, 1273531), (645, 1036595), (735, 909665), (903, 740425), (1075, 621957), (1225, 545799), (1505, 444255), (2107, 317325), (3225, 207319), (3675, 181933), (4231, 158025), (4515, 148085), (6321, 105775), (7525, 88851), (10535, 63465), (12693, 52675), (21155, 31605), (22575, 29617)]