258621885

素因数分解:

$3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1\times {\mathrm{331}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 456805440

約数和(自身を除く): 198183555

約数列:

[1, 3, 5, 9, 15, 45, 97, 179, 291, 331, 485, 537, 873, 895, 993, 1455, 1611, 1655, 2685, 2979, 4365, 4965, 8055, 14895, 17363, 32107, 52089, 59249, 86815, 96321, 156267, 160535, 177747, 260445, 288963, 296245, 481605, 533241, 781335, 888735, 1444815, 2666205, 5747153, 17241459, 28735765, 51724377, 86207295, 258621885]

約数ペア:

[(1, 258621885), (3, 86207295), (5, 51724377), (9, 28735765), (15, 17241459), (45, 5747153), (97, 2666205), (179, 1444815), (291, 888735), (331, 781335), (485, 533241), (537, 481605), (873, 296245), (895, 288963), (993, 260445), (1455, 177747), (1611, 160535), (1655, 156267), (2685, 96321), (2979, 86815), (4365, 59249), (4965, 52089), (8055, 32107), (14895, 17363)]