204819111

素因数分解:

$3^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{787}}^1$

素因数の和:832

約数の個数: 64

約数和(自身を含む): 372188160

約数和(自身を除く): 167369049

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 243, 357, 459, 567, 729, 787, 1071, 1377, 1701, 2187, 2361, 3213, 4131, 5103, 5509, 7083, 9639, 12393, 13379, 15309, 16527, 21249, 28917, 37179, 40137, 49581, 63747, 86751, 93653, 120411, 148743, 191241, 260253, 280959, 361233, 446229, 573723, 842877, 1083699, 1338687, 1721169, 2528631, 3251097, 4016061, 7585893, 9753291, 12048183, 22757679, 29259873, 68273037, 204819111]

約数ペア:

[(1, 204819111), (3, 68273037), (7, 29259873), (9, 22757679), (17, 12048183), (21, 9753291), (27, 7585893), (51, 4016061), (63, 3251097), (81, 2528631), (119, 1721169), (153, 1338687), (189, 1083699), (243, 842877), (357, 573723), (459, 446229), (567, 361233), (729, 280959), (787, 260253), (1071, 191241), (1377, 148743), (1701, 120411), (2187, 93653), (2361, 86751), (3213, 63747), (4131, 49581), (5103, 40137), (5509, 37179), (7083, 28917), (9639, 21249), (12393, 16527), (13379, 15309)]