121217215

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{337}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 171325440

約数和(自身を除く): 50108225

約数列:

[1, 5, 7, 35, 43, 215, 239, 301, 337, 1195, 1505, 1673, 1685, 2359, 8365, 10277, 11795, 14491, 51385, 71939, 72455, 80543, 101437, 359695, 402715, 507185, 563801, 2819005, 3463349, 17316745, 24243443, 121217215]

約数ペア:

[(1, 121217215), (5, 24243443), (7, 17316745), (35, 3463349), (43, 2819005), (215, 563801), (239, 507185), (301, 402715), (337, 359695), (1195, 101437), (1505, 80543), (1673, 72455), (1685, 71939), (2359, 51385), (8365, 14491), (10277, 11795)]