205501185

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{593}}^1$

素因数の和:775

約数の個数: 64

約数和(自身を含む): 390044160

約数和(自身を除く): 184542975

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 151, 153, 255, 453, 459, 593, 755, 765, 1359, 1779, 2265, 2295, 2567, 2965, 4077, 5337, 6795, 7701, 8895, 10081, 12835, 16011, 20385, 23103, 26685, 30243, 38505, 50405, 69309, 80055, 89543, 90729, 115515, 151215, 268629, 272187, 346545, 447715, 453645, 805887, 1343145, 1360935, 1522231, 2417661, 4029435, 4566693, 7611155, 12088305, 13700079, 22833465, 41100237, 68500395, 205501185]

約数ペア:

[(1, 205501185), (3, 68500395), (5, 41100237), (9, 22833465), (15, 13700079), (17, 12088305), (27, 7611155), (45, 4566693), (51, 4029435), (85, 2417661), (135, 1522231), (151, 1360935), (153, 1343145), (255, 805887), (453, 453645), (459, 447715), (593, 346545), (755, 272187), (765, 268629), (1359, 151215), (1779, 115515), (2265, 90729), (2295, 89543), (2567, 80055), (2965, 69309), (4077, 50405), (5337, 38505), (6795, 30243), (7701, 26685), (8895, 23103), (10081, 20385), (12835, 16011)]