27771897

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 40711680

約数和(自身を除く): 12939783

約数列:

[1, 3, 17, 51, 61, 79, 113, 183, 237, 339, 1037, 1343, 1921, 3111, 4029, 4819, 5763, 6893, 8927, 14457, 20679, 26781, 81923, 117181, 151759, 245769, 351543, 455277, 544547, 1633641, 9257299, 27771897]

約数ペア:

[(1, 27771897), (3, 9257299), (17, 1633641), (51, 544547), (61, 455277), (79, 351543), (113, 245769), (183, 151759), (237, 117181), (339, 81923), (1037, 26781), (1343, 20679), (1921, 14457), (3111, 8927), (4029, 6893), (4819, 5763)]