217091985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{21569}}^1$

素因数の和:21649

約数の個数: 32

約数和(自身を含む): 385153920

約数和(自身を除く): 168061935

約数列:

[1, 3, 5, 11, 15, 33, 55, 61, 165, 183, 305, 671, 915, 2013, 3355, 10065, 21569, 64707, 107845, 237259, 323535, 711777, 1186295, 1315709, 3558885, 3947127, 6578545, 14472799, 19735635, 43418397, 72363995, 217091985]

約数ペア:

[(1, 217091985), (3, 72363995), (5, 43418397), (11, 19735635), (15, 14472799), (33, 6578545), (55, 3947127), (61, 3558885), (165, 1315709), (183, 1186295), (305, 711777), (671, 323535), (915, 237259), (2013, 107845), (3355, 64707), (10065, 21569)]