9990471681

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{601}}^1\times {\mathrm{2371}}^1$

素因数の和:3038

約数の個数: 48

約数和(自身を含む): 15593148480

約数和(自身を除く): 5602676799

約数列:

[1, 3, 9, 19, 41, 57, 123, 171, 369, 601, 779, 1803, 2337, 2371, 5409, 7011, 7113, 11419, 21339, 24641, 34257, 45049, 73923, 97211, 102771, 135147, 221769, 291633, 405441, 468179, 874899, 1404537, 1424971, 1847009, 4213611, 4274913, 5541027, 12824739, 16623081, 27074449, 58423811, 81223347, 175271433, 243670041, 525814299, 1110052409, 3330157227, 9990471681]

約数ペア:

[(1, 9990471681), (3, 3330157227), (9, 1110052409), (19, 525814299), (41, 243670041), (57, 175271433), (123, 81223347), (171, 58423811), (369, 27074449), (601, 16623081), (779, 12824739), (1803, 5541027), (2337, 4274913), (2371, 4213611), (5409, 1847009), (7011, 1424971), (7113, 1404537), (11419, 874899), (21339, 468179), (24641, 405441), (34257, 291633), (45049, 221769), (73923, 135147), (97211, 102771)]