339915045

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{20963}}^1$

素因数の和:21041

約数の個数: 32

約数和(自身を含む): 579612672

約数和(自身を除く): 239697627

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 705, 1081, 3243, 5405, 16215, 20963, 62889, 104815, 314445, 482149, 985261, 1446447, 2410745, 2955783, 4926305, 7232235, 14778915, 22661003, 67983009, 113305015, 339915045]

約数ペア:

[(1, 339915045), (3, 113305015), (5, 67983009), (15, 22661003), (23, 14778915), (47, 7232235), (69, 4926305), (115, 2955783), (141, 2410745), (235, 1446447), (345, 985261), (705, 482149), (1081, 314445), (3243, 104815), (5405, 62889), (16215, 20963)]