19990333035

素因数分解:

$3^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{310433}}^1$

素因数の和:310506

約数の個数: 48

約数和(自身を含む): 36611344224

約数和(自身を除く): 16621011189

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 159, 243, 265, 405, 477, 795, 1215, 1431, 2385, 4293, 7155, 12879, 21465, 64395, 310433, 931299, 1552165, 2793897, 4656495, 8381691, 13969485, 16452949, 25145073, 41908455, 49358847, 75435219, 82264745, 125725365, 148076541, 246794235, 377176095, 444229623, 740382705, 1332688869, 2221148115, 3998066607, 6663444345, 19990333035]

約数ペア:

[(1, 19990333035), (3, 6663444345), (5, 3998066607), (9, 2221148115), (15, 1332688869), (27, 740382705), (45, 444229623), (53, 377176095), (81, 246794235), (135, 148076541), (159, 125725365), (243, 82264745), (265, 75435219), (405, 49358847), (477, 41908455), (795, 25145073), (1215, 16452949), (1431, 13969485), (2385, 8381691), (4293, 4656495), (7155, 2793897), (12879, 1552165), (21465, 931299), (64395, 310433)]