121491990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{2591}}^1$

素因数の和:3125

約数の個数: 48

約数和(自身を含む): 316607616

約数和(自身を除く): 195115626

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 521, 1042, 1563, 2591, 2605, 3126, 4689, 5182, 5210, 7773, 7815, 9378, 12955, 15546, 15630, 23319, 23445, 25910, 38865, 46638, 46890, 77730, 116595, 233190, 1349911, 2699822, 4049733, 6749555, 8099466, 12149199, 13499110, 20248665, 24298398, 40497330, 60745995, 121491990]

約数ペア:

[(1, 121491990), (2, 60745995), (3, 40497330), (5, 24298398), (6, 20248665), (9, 13499110), (10, 12149199), (15, 8099466), (18, 6749555), (30, 4049733), (45, 2699822), (90, 1349911), (521, 233190), (1042, 116595), (1563, 77730), (2591, 46890), (2605, 46638), (3126, 38865), (4689, 25910), (5182, 23445), (5210, 23319), (7773, 15630), (7815, 15546), (9378, 12955)]