71640165

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{1453}}^1$

素因数の和:1653

約数の個数: 32

約数和(自身を含む): 121438080

約数和(自身を除く): 49797915

約数列:

[1, 3, 5, 15, 19, 57, 95, 173, 285, 519, 865, 1453, 2595, 3287, 4359, 7265, 9861, 16435, 21795, 27607, 49305, 82821, 138035, 251369, 414105, 754107, 1256845, 3770535, 4776011, 14328033, 23880055, 71640165]

約数ペア:

[(1, 71640165), (3, 23880055), (5, 14328033), (15, 4776011), (19, 3770535), (57, 1256845), (95, 754107), (173, 414105), (285, 251369), (519, 138035), (865, 82821), (1453, 49305), (2595, 27607), (3287, 21795), (4359, 16435), (7265, 9861)]