64722021

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{619}}^1$

素因数の和:1025

約数の個数: 32

約数和(自身を含む): 106659840

約数和(自身を除く): 41937819

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 383, 619, 1149, 1857, 2681, 4333, 4979, 8043, 8047, 12999, 14937, 24141, 34853, 56329, 104559, 168987, 237077, 711231, 1659539, 3082001, 4978617, 9246003, 21574007, 64722021]

約数ペア:

[(1, 64722021), (3, 21574007), (7, 9246003), (13, 4978617), (21, 3082001), (39, 1659539), (91, 711231), (273, 237077), (383, 168987), (619, 104559), (1149, 56329), (1857, 34853), (2681, 24141), (4333, 14937), (4979, 12999), (8043, 8047)]