253321341

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{8513}}^1$

素因数の和:8645

約数の個数: 32

約数和(自身を含む): 419569920

約数和(自身を除く): 166248579

約数列:

[1, 3, 7, 13, 21, 39, 91, 109, 273, 327, 763, 1417, 2289, 4251, 8513, 9919, 25539, 29757, 59591, 110669, 178773, 332007, 774683, 927917, 2324049, 2783751, 6495419, 12062921, 19486257, 36188763, 84440447, 253321341]

約数ペア:

[(1, 253321341), (3, 84440447), (7, 36188763), (13, 19486257), (21, 12062921), (39, 6495419), (91, 2783751), (109, 2324049), (273, 927917), (327, 774683), (763, 332007), (1417, 178773), (2289, 110669), (4251, 59591), (8513, 29757), (9919, 25539)]