491306403

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{1423}}^1$

素因数の和:1875

約数の個数: 32

約数和(自身を含む): 769370112

約数和(自身を除く): 278063709

約数列:

[1, 3, 7, 21, 41, 123, 287, 401, 861, 1203, 1423, 2807, 4269, 8421, 9961, 16441, 29883, 49323, 58343, 115087, 175029, 345261, 408401, 570623, 1225203, 1711869, 3994361, 11983083, 23395543, 70186629, 163768801, 491306403]

約数ペア:

[(1, 491306403), (3, 163768801), (7, 70186629), (21, 23395543), (41, 11983083), (123, 3994361), (287, 1711869), (401, 1225203), (861, 570623), (1203, 408401), (1423, 345261), (2807, 175029), (4269, 115087), (8421, 58343), (9961, 49323), (16441, 29883)]