212312919

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{21019}}^1$

素因数の和:21079

約数の個数: 32

約数和(自身を含む): 357844480

約数和(自身を除く): 145531561

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 259, 273, 481, 777, 1443, 3367, 10101, 21019, 63057, 147133, 273247, 441399, 777703, 819741, 1912729, 2333109, 5443921, 5738187, 10110139, 16331763, 30330417, 70770973, 212312919]

約数ペア:

[(1, 212312919), (3, 70770973), (7, 30330417), (13, 16331763), (21, 10110139), (37, 5738187), (39, 5443921), (91, 2333109), (111, 1912729), (259, 819741), (273, 777703), (481, 441399), (777, 273247), (1443, 147133), (3367, 63057), (10101, 21019)]