31040373

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 53370240

約数和(自身を除く): 22329867

約数列:

[1, 3, 7, 13, 21, 37, 39, 49, 91, 111, 147, 259, 273, 439, 481, 637, 777, 1317, 1443, 1813, 1911, 3073, 3367, 5439, 5707, 9219, 10101, 16243, 17121, 21511, 23569, 39949, 48729, 64533, 70707, 113701, 119847, 211159, 279643, 341103, 633477, 795907, 838929, 1478113, 2387721, 4434339, 10346791, 31040373]

約数ペア:

[(1, 31040373), (3, 10346791), (7, 4434339), (13, 2387721), (21, 1478113), (37, 838929), (39, 795907), (49, 633477), (91, 341103), (111, 279643), (147, 211159), (259, 119847), (273, 113701), (439, 70707), (481, 64533), (637, 48729), (777, 39949), (1317, 23569), (1443, 21511), (1813, 17121), (1911, 16243), (3073, 10101), (3367, 9219), (5439, 5707)]