381487545

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{1871}}^1$

素因数の和:2102

約数の個数: 48

約数和(自身を含む): 693868032

約数和(自身を除く): 312380487

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 197, 207, 345, 591, 985, 1035, 1773, 1871, 2955, 4531, 5613, 8865, 9355, 13593, 16839, 22655, 28065, 40779, 43033, 67965, 84195, 129099, 203895, 215165, 368587, 387297, 645495, 1105761, 1842935, 1936485, 3317283, 5528805, 8477501, 16586415, 25432503, 42387505, 76297509, 127162515, 381487545]

約数ペア:

[(1, 381487545), (3, 127162515), (5, 76297509), (9, 42387505), (15, 25432503), (23, 16586415), (45, 8477501), (69, 5528805), (115, 3317283), (197, 1936485), (207, 1842935), (345, 1105761), (591, 645495), (985, 387297), (1035, 368587), (1773, 215165), (1871, 203895), (2955, 129099), (4531, 84195), (5613, 67965), (8865, 43033), (9355, 40779), (13593, 28065), (16839, 22655)]