402548913

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:679

約数の個数: 64

約数和(自身を含む): 674956800

約数和(自身を除く): 272407887

約数列:

[1, 3, 9, 13, 27, 29, 39, 71, 87, 117, 213, 261, 351, 377, 557, 639, 783, 923, 1131, 1671, 1917, 2059, 2769, 3393, 5013, 6177, 7241, 8307, 10179, 15039, 16153, 18531, 21723, 24921, 26767, 39547, 48459, 55593, 65169, 80301, 118641, 145377, 195507, 209989, 240903, 355923, 436131, 514111, 629967, 722709, 1067769, 1146863, 1542333, 1889901, 3440589, 4626999, 5669703, 10321767, 13880997, 14909219, 30965301, 44727657, 134182971, 402548913]

約数ペア:

[(1, 402548913), (3, 134182971), (9, 44727657), (13, 30965301), (27, 14909219), (29, 13880997), (39, 10321767), (71, 5669703), (87, 4626999), (117, 3440589), (213, 1889901), (261, 1542333), (351, 1146863), (377, 1067769), (557, 722709), (639, 629967), (783, 514111), (923, 436131), (1131, 355923), (1671, 240903), (1917, 209989), (2059, 195507), (2769, 145377), (3393, 118641), (5013, 80301), (6177, 65169), (7241, 55593), (8307, 48459), (10179, 39547), (15039, 26767), (16153, 24921), (18531, 21723)]