39921999

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 59204544

約数和(自身を除く): 19282545

約数列:

[1, 3, 13, 39, 61, 97, 173, 183, 291, 519, 793, 1261, 2249, 2379, 3783, 5917, 6747, 10553, 16781, 17751, 31659, 50343, 76921, 137189, 218153, 230763, 411567, 654459, 1023641, 3070923, 13307333, 39921999]

約数ペア:

[(1, 39921999), (3, 13307333), (13, 3070923), (39, 1023641), (61, 654459), (97, 411567), (173, 230763), (183, 218153), (291, 137189), (519, 76921), (793, 50343), (1261, 31659), (2249, 17751), (2379, 16781), (3783, 10553), (5917, 6747)]