87245921

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:210

約数の個数: 36

約数和(自身を含む): 110663676

約数和(自身を除く): 23417755

約数列:

[1, 7, 17, 49, 61, 101, 119, 289, 427, 707, 833, 1037, 1717, 2023, 2989, 4949, 6161, 7259, 12019, 14161, 17629, 29189, 43127, 50813, 84133, 104737, 123403, 204323, 301889, 733159, 863821, 1430261, 1780529, 5132113, 12463703, 87245921]

約数ペア:

[(1, 87245921), (7, 12463703), (17, 5132113), (49, 1780529), (61, 1430261), (101, 863821), (119, 733159), (289, 301889), (427, 204323), (707, 123403), (833, 104737), (1037, 84133), (1717, 50813), (2023, 43127), (2989, 29189), (4949, 17629), (6161, 14161), (7259, 12019)]