201812355

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{797}}^1$

素因数の和:1156

約数の個数: 48

約数和(自身を含む): 371970144

約数和(自身を除く): 170157789

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 331, 765, 797, 993, 1655, 2391, 2979, 3985, 4965, 5627, 7173, 11955, 13549, 14895, 16881, 28135, 35865, 40647, 50643, 67745, 84405, 121941, 203235, 253215, 263807, 609705, 791421, 1319035, 2374263, 3957105, 4484719, 11871315, 13454157, 22423595, 40362471, 67270785, 201812355]

約数ペア:

[(1, 201812355), (3, 67270785), (5, 40362471), (9, 22423595), (15, 13454157), (17, 11871315), (45, 4484719), (51, 3957105), (85, 2374263), (153, 1319035), (255, 791421), (331, 609705), (765, 263807), (797, 253215), (993, 203235), (1655, 121941), (2391, 84405), (2979, 67745), (3985, 50643), (4965, 40647), (5627, 35865), (7173, 28135), (11955, 16881), (13549, 14895)]