1638113421

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{12107}}^1$

素因数の和:12513

約数の個数: 32

約数和(自身を含む): 2650199040

約数和(自身を除く): 1012085619

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 379, 1137, 2653, 6443, 7959, 12107, 19329, 36321, 45101, 84749, 135303, 205819, 254247, 617457, 1440733, 4322199, 4588553, 13765659, 32119871, 78005401, 96359613, 234016203, 546037807, 1638113421]

約数ペア:

[(1, 1638113421), (3, 546037807), (7, 234016203), (17, 96359613), (21, 78005401), (51, 32119871), (119, 13765659), (357, 4588553), (379, 4322199), (1137, 1440733), (2653, 617457), (6443, 254247), (7959, 205819), (12107, 135303), (19329, 84749), (36321, 45101)]