77779305

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{19867}}^1$

素因数の和:19910

約数の個数: 32

約数和(自身を含む): 143049600

約数和(自身を除く): 65270295

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 19867, 59601, 99335, 178803, 298005, 536409, 576143, 894015, 1728429, 2682045, 2880715, 5185287, 8642145, 15555861, 25926435, 77779305]

約数ペア:

[(1, 77779305), (3, 25926435), (5, 15555861), (9, 8642145), (15, 5185287), (27, 2880715), (29, 2682045), (45, 1728429), (87, 894015), (135, 576143), (145, 536409), (261, 298005), (435, 178803), (783, 99335), (1305, 59601), (3915, 19867)]