221498361

素因数分解:

$3^3\times 7^1\times {\mathrm{317}}^1\times {\mathrm{3697}}^1$

素因数の和:4030

約数の個数: 32

約数和(自身を含む): 376308480

約数和(自身を除く): 154810119

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 317, 951, 2219, 2853, 3697, 6657, 8559, 11091, 19971, 25879, 33273, 59913, 77637, 99819, 232911, 698733, 1171949, 3515847, 8203643, 10547541, 24610929, 31642623, 73832787, 221498361]

約数ペア:

[(1, 221498361), (3, 73832787), (7, 31642623), (9, 24610929), (21, 10547541), (27, 8203643), (63, 3515847), (189, 1171949), (317, 698733), (951, 232911), (2219, 99819), (2853, 77637), (3697, 59913), (6657, 33273), (8559, 25879), (11091, 19971)]