138891303

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{631}}^1\times {\mathrm{661}}^1$

素因数の和:1335

約数の個数: 24

約数和(自身を含む): 206681696

約数和(自身を除く): 67790393

約数列:

[1, 3, 9, 37, 111, 333, 631, 661, 1893, 1983, 5679, 5949, 23347, 24457, 70041, 73371, 210123, 220113, 417091, 1251273, 3753819, 15432367, 46297101, 138891303]

約数ペア:

[(1, 138891303), (3, 46297101), (9, 15432367), (37, 3753819), (111, 1251273), (333, 417091), (631, 220113), (661, 210123), (1893, 73371), (1983, 70041), (5679, 24457), (5949, 23347)]