181998990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{33151}}^1$

素因数の和:33225

約数の個数: 48

約数和(自身を含む): 480969216

約数和(自身を除く): 298970226

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2745, 5490, 33151, 66302, 99453, 165755, 198906, 298359, 331510, 497265, 596718, 994530, 1491795, 2022211, 2983590, 4044422, 6066633, 10111055, 12133266, 18199899, 20222110, 30333165, 36399798, 60666330, 90999495, 181998990]

約数ペア:

[(1, 181998990), (2, 90999495), (3, 60666330), (5, 36399798), (6, 30333165), (9, 20222110), (10, 18199899), (15, 12133266), (18, 10111055), (30, 6066633), (45, 4044422), (61, 2983590), (90, 2022211), (122, 1491795), (183, 994530), (305, 596718), (366, 497265), (549, 331510), (610, 298359), (915, 198906), (1098, 165755), (1830, 99453), (2745, 66302), (5490, 33151)]