191558025

素因数分解:

$3^2\times 5^2\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 354498144

約数和(自身を除く): 162940119

約数列:

[1, 3, 5, 9, 15, 25, 45, 67, 75, 97, 131, 201, 225, 291, 335, 393, 485, 603, 655, 873, 1005, 1179, 1455, 1675, 1965, 2425, 3015, 3275, 4365, 5025, 5895, 6499, 7275, 8777, 9825, 12707, 15075, 19497, 21825, 26331, 29475, 32495, 38121, 43885, 58491, 63535, 78993, 97485, 114363, 131655, 162475, 190605, 219425, 292455, 317675, 394965, 487425, 571815, 658275, 851369, 953025, 1462275, 1974825, 2554107, 2859075, 4256845, 7662321, 12770535, 21284225, 38311605, 63852675, 191558025]

約数ペア:

[(1, 191558025), (3, 63852675), (5, 38311605), (9, 21284225), (15, 12770535), (25, 7662321), (45, 4256845), (67, 2859075), (75, 2554107), (97, 1974825), (131, 1462275), (201, 953025), (225, 851369), (291, 658275), (335, 571815), (393, 487425), (485, 394965), (603, 317675), (655, 292455), (873, 219425), (1005, 190605), (1179, 162475), (1455, 131655), (1675, 114363), (1965, 97485), (2425, 78993), (3015, 63535), (3275, 58491), (4365, 43885), (5025, 38121), (5895, 32495), (6499, 29475), (7275, 26331), (8777, 21825), (9825, 19497), (12707, 15075)]