219920265

素因数分解:

$3^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2843}}^1$

素因数の和:3051

約数の個数: 40

約数和(自身を含む): 396430848

約数和(自身を除く): 176510583

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 191, 405, 573, 955, 1719, 2843, 2865, 5157, 8529, 8595, 14215, 15471, 25587, 25785, 42645, 76761, 77355, 127935, 230283, 383805, 543013, 1151415, 1629039, 2715065, 4887117, 8145195, 14661351, 24435585, 43984053, 73306755, 219920265]

約数ペア:

[(1, 219920265), (3, 73306755), (5, 43984053), (9, 24435585), (15, 14661351), (27, 8145195), (45, 4887117), (81, 2715065), (135, 1629039), (191, 1151415), (405, 543013), (573, 383805), (955, 230283), (1719, 127935), (2843, 77355), (2865, 76761), (5157, 42645), (8529, 25785), (8595, 25587), (14215, 15471)]