71303715

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{5521}}^1$

素因数の和:5580

約数の個数: 48

約数和(自身を含む): 144720576

約数和(自身を除く): 73416861

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 41, 45, 63, 105, 123, 205, 287, 315, 369, 615, 861, 1435, 1845, 2583, 4305, 5521, 12915, 16563, 27605, 38647, 49689, 82815, 115941, 193235, 226361, 248445, 347823, 579705, 679083, 1131805, 1584527, 1739115, 2037249, 3395415, 4753581, 7922635, 10186245, 14260743, 23767905, 71303715]

約数ペア:

[(1, 71303715), (3, 23767905), (5, 14260743), (7, 10186245), (9, 7922635), (15, 4753581), (21, 3395415), (35, 2037249), (41, 1739115), (45, 1584527), (63, 1131805), (105, 679083), (123, 579705), (205, 347823), (287, 248445), (315, 226361), (369, 193235), (615, 115941), (861, 82815), (1435, 49689), (1845, 38647), (2583, 27605), (4305, 16563), (5521, 12915)]