199882395

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{857}}^1$

素因数の和:1012

約数の個数: 48

約数和(自身を含む): 356571072

約数和(自身を除く): 156688677

約数列:

[1, 3, 5, 9, 15, 45, 71, 73, 213, 219, 355, 365, 639, 657, 857, 1065, 1095, 2571, 3195, 3285, 4285, 5183, 7713, 12855, 15549, 25915, 38565, 46647, 60847, 62561, 77745, 182541, 187683, 233235, 304235, 312805, 547623, 563049, 912705, 938415, 2738115, 2815245, 4441831, 13325493, 22209155, 39976479, 66627465, 199882395]

約数ペア:

[(1, 199882395), (3, 66627465), (5, 39976479), (9, 22209155), (15, 13325493), (45, 4441831), (71, 2815245), (73, 2738115), (213, 938415), (219, 912705), (355, 563049), (365, 547623), (639, 312805), (657, 304235), (857, 233235), (1065, 187683), (1095, 182541), (2571, 77745), (3195, 62561), (3285, 60847), (4285, 46647), (5183, 38565), (7713, 25915), (12855, 15549)]