42720755

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2999}}^1$

素因数の和:3059

約数の個数: 32

約数和(自身を含む): 65664000

約数和(自身を除く): 22943245

約数列:

[1, 5, 7, 11, 35, 37, 55, 77, 185, 259, 385, 407, 1295, 2035, 2849, 2999, 14245, 14995, 20993, 32989, 104965, 110963, 164945, 230923, 554815, 776741, 1154615, 1220593, 3883705, 6102965, 8544151, 42720755]

約数ペア:

[(1, 42720755), (5, 8544151), (7, 6102965), (11, 3883705), (35, 1220593), (37, 1154615), (55, 776741), (77, 554815), (185, 230923), (259, 164945), (385, 110963), (407, 104965), (1295, 32989), (2035, 20993), (2849, 14995), (2999, 14245)]