8160747

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 13278720

約数和(自身を除く): 5117973

約数列:

[1, 3, 7, 19, 21, 57, 113, 133, 181, 339, 399, 543, 791, 1267, 2147, 2373, 3439, 3801, 6441, 10317, 15029, 20453, 24073, 45087, 61359, 72219, 143171, 388607, 429513, 1165821, 2720249, 8160747]

約数ペア:

[(1, 8160747), (3, 2720249), (7, 1165821), (19, 429513), (21, 388607), (57, 143171), (113, 72219), (133, 61359), (181, 45087), (339, 24073), (399, 20453), (543, 15029), (791, 10317), (1267, 6441), (2147, 3801), (2373, 3439)]