210551445

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{997}}^1$

素因数の和:1059

約数の個数: 72

約数和(自身を含む): 415219896

約数和(自身を除く): 204668451

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 361, 585, 741, 855, 997, 1083, 1235, 1805, 2223, 2991, 3249, 3705, 4693, 4985, 5415, 8973, 11115, 12961, 14079, 14955, 16245, 18943, 23465, 38883, 42237, 44865, 56829, 64805, 70395, 94715, 116649, 170487, 194415, 211185, 246259, 284145, 359917, 583245, 738777, 852435, 1079751, 1231295, 1799585, 2216331, 3239253, 3693885, 4678921, 5398755, 11081655, 14036763, 16196265, 23394605, 42110289, 70183815, 210551445]

約数ペア:

[(1, 210551445), (3, 70183815), (5, 42110289), (9, 23394605), (13, 16196265), (15, 14036763), (19, 11081655), (39, 5398755), (45, 4678921), (57, 3693885), (65, 3239253), (95, 2216331), (117, 1799585), (171, 1231295), (195, 1079751), (247, 852435), (285, 738777), (361, 583245), (585, 359917), (741, 284145), (855, 246259), (997, 211185), (1083, 194415), (1235, 170487), (1805, 116649), (2223, 94715), (2991, 70395), (3249, 64805), (3705, 56829), (4693, 44865), (4985, 42237), (5415, 38883), (8973, 23465), (11115, 18943), (12961, 16245), (14079, 14955)]