209216301

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{1289}}^1$

素因数の和:1489

約数の個数: 32

約数和(自身を含む): 326937600

約数和(自身を除く): 117721299

約数列:

[1, 3, 7, 21, 59, 131, 177, 393, 413, 917, 1239, 1289, 2751, 3867, 7729, 9023, 23187, 27069, 54103, 76051, 162309, 168859, 228153, 506577, 532357, 1182013, 1597071, 3546039, 9962681, 29888043, 69738767, 209216301]

約数ペア:

[(1, 209216301), (3, 69738767), (7, 29888043), (21, 9962681), (59, 3546039), (131, 1597071), (177, 1182013), (393, 532357), (413, 506577), (917, 228153), (1239, 168859), (1289, 162309), (2751, 76051), (3867, 54103), (7729, 27069), (9023, 23187)]