64705473

素因数分解:

$3^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{821}}^1$

素因数の和:979

約数の個数: 40

約数和(自身を含む): 111397440

約数和(自身を除く): 46691967

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 139, 189, 417, 567, 821, 973, 1251, 2463, 2919, 3753, 5747, 7389, 8757, 11259, 17241, 22167, 26271, 51723, 66501, 78813, 114119, 155169, 342357, 465507, 798833, 1027071, 2396499, 3081213, 7189497, 9243639, 21568491, 64705473]

約数ペア:

[(1, 64705473), (3, 21568491), (7, 9243639), (9, 7189497), (21, 3081213), (27, 2396499), (63, 1027071), (81, 798833), (139, 465507), (189, 342357), (417, 155169), (567, 114119), (821, 78813), (973, 66501), (1251, 51723), (2463, 26271), (2919, 22167), (3753, 17241), (5747, 11259), (7389, 8757)]