247804545

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1\times {\mathrm{1151}}^1$

素因数の和:1653

約数の個数: 32

約数和(自身を含む): 410517504

約数和(自身を除く): 162712959

約数列:

[1, 3, 5, 15, 31, 93, 155, 463, 465, 1151, 1389, 2315, 3453, 5755, 6945, 14353, 17265, 35681, 43059, 71765, 107043, 178405, 215295, 532913, 535215, 1598739, 2664565, 7993695, 16520303, 49560909, 82601515, 247804545]

約数ペア:

[(1, 247804545), (3, 82601515), (5, 49560909), (15, 16520303), (31, 7993695), (93, 2664565), (155, 1598739), (463, 535215), (465, 532913), (1151, 215295), (1389, 178405), (2315, 107043), (3453, 71765), (5755, 43059), (6945, 35681), (14353, 17265)]