209218815

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1229}}^1$

素因数の和:1353

約数の個数: 64

約数和(自身を含む): 405014400

約数和(自身を除く): 195795585

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 97, 117, 135, 195, 291, 351, 485, 585, 873, 1229, 1261, 1455, 1755, 2619, 3687, 3783, 4365, 6145, 6305, 11061, 11349, 13095, 15977, 18435, 18915, 33183, 34047, 47931, 55305, 56745, 79885, 119213, 143793, 165915, 170235, 239655, 357639, 431379, 596065, 718965, 1072917, 1549769, 1788195, 2156895, 3218751, 4649307, 5364585, 7748845, 13947921, 16093755, 23246535, 41843763, 69739605, 209218815]

約数ペア:

[(1, 209218815), (3, 69739605), (5, 41843763), (9, 23246535), (13, 16093755), (15, 13947921), (27, 7748845), (39, 5364585), (45, 4649307), (65, 3218751), (97, 2156895), (117, 1788195), (135, 1549769), (195, 1072917), (291, 718965), (351, 596065), (485, 431379), (585, 357639), (873, 239655), (1229, 170235), (1261, 165915), (1455, 143793), (1755, 119213), (2619, 79885), (3687, 56745), (3783, 55305), (4365, 47931), (6145, 34047), (6305, 33183), (11061, 18915), (11349, 18435), (13095, 15977)]