201938805

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:779

約数の個数: 64

約数和(自身を含む): 376227840

約数和(自身を除く): 174289035

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 73, 93, 135, 155, 219, 279, 365, 465, 657, 661, 837, 1095, 1395, 1971, 1983, 2263, 3285, 3305, 4185, 5949, 6789, 9855, 9915, 11315, 17847, 20367, 20491, 29745, 33945, 48253, 61101, 61473, 89235, 101835, 102455, 144759, 184419, 241265, 305505, 307365, 434277, 553257, 723795, 922095, 1302831, 1495843, 2171385, 2766285, 4487529, 6514155, 7479215, 13462587, 22437645, 40387761, 67312935, 201938805]

約数ペア:

[(1, 201938805), (3, 67312935), (5, 40387761), (9, 22437645), (15, 13462587), (27, 7479215), (31, 6514155), (45, 4487529), (73, 2766285), (93, 2171385), (135, 1495843), (155, 1302831), (219, 922095), (279, 723795), (365, 553257), (465, 434277), (657, 307365), (661, 305505), (837, 241265), (1095, 184419), (1395, 144759), (1971, 102455), (1983, 101835), (2263, 89235), (3285, 61473), (3305, 61101), (4185, 48253), (5949, 33945), (6789, 29745), (9855, 20491), (9915, 20367), (11315, 17847)]