80905743

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{6857}}^1$

素因数の和:6908

約数の個数: 32

約数和(自身を含む): 131673600

約数和(自身を除く): 50767857

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 171, 207, 437, 513, 621, 1311, 3933, 6857, 11799, 20571, 61713, 130283, 157711, 185139, 390849, 473133, 1172547, 1419399, 2996509, 3517641, 4258197, 8989527, 26968581, 80905743]

約数ペア:

[(1, 80905743), (3, 26968581), (9, 8989527), (19, 4258197), (23, 3517641), (27, 2996509), (57, 1419399), (69, 1172547), (171, 473133), (207, 390849), (437, 185139), (513, 157711), (621, 130283), (1311, 61713), (3933, 20571), (6857, 11799)]