291289747

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{109}}^1\times {\mathrm{1321}}^1$

素因数の和:1471

約数の個数: 24

約数和(自身を含む): 357151520

約数和(自身を除く): 65861773

約数列:

[1, 7, 17, 109, 119, 289, 763, 1321, 1853, 2023, 9247, 12971, 22457, 31501, 143989, 157199, 220507, 381769, 1007923, 2447813, 2672383, 17134691, 41612821, 291289747]

約数ペア:

[(1, 291289747), (7, 41612821), (17, 17134691), (109, 2672383), (119, 2447813), (289, 1007923), (763, 381769), (1321, 220507), (1853, 157199), (2023, 143989), (9247, 31501), (12971, 22457)]