201991365

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{3617}}^1$

素因数の和:3718

約数の個数: 48

約数和(自身を含む): 375895728

約数和(自身を除く): 173904363

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 73, 85, 153, 219, 255, 365, 657, 765, 1095, 1241, 3285, 3617, 3723, 6205, 10851, 11169, 18085, 18615, 32553, 54255, 55845, 61489, 162765, 184467, 264041, 307445, 553401, 792123, 922335, 1320205, 2376369, 2767005, 3960615, 4488697, 11881845, 13466091, 22443485, 40398273, 67330455, 201991365]

約数ペア:

[(1, 201991365), (3, 67330455), (5, 40398273), (9, 22443485), (15, 13466091), (17, 11881845), (45, 4488697), (51, 3960615), (73, 2767005), (85, 2376369), (153, 1320205), (219, 922335), (255, 792123), (365, 553401), (657, 307445), (765, 264041), (1095, 184467), (1241, 162765), (3285, 61489), (3617, 55845), (3723, 54255), (6205, 32553), (10851, 18615), (11169, 18085)]