1621593

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:166

約数の個数: 32

約数和(自身を含む): 2640000

約数和(自身を除く): 1018407

約数列:

[1, 3, 9, 19, 27, 29, 57, 87, 109, 171, 261, 327, 513, 551, 783, 981, 1653, 2071, 2943, 3161, 4959, 6213, 9483, 14877, 18639, 28449, 55917, 60059, 85347, 180177, 540531, 1621593]

約数ペア:

[(1, 1621593), (3, 540531), (9, 180177), (19, 85347), (27, 60059), (29, 55917), (57, 28449), (87, 18639), (109, 14877), (171, 9483), (261, 6213), (327, 4959), (513, 3161), (551, 2943), (783, 2071), (981, 1653)]