61491375

素因数分解:

$3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{4969}}^1$

素因数の和:5001

約数の個数: 48

約数和(自身を含む): 120949920

約数和(自身を除く): 59458545

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 125, 165, 225, 275, 375, 495, 825, 1125, 1375, 2475, 4125, 4969, 12375, 14907, 24845, 44721, 54659, 74535, 124225, 163977, 223605, 273295, 372675, 491931, 621125, 819885, 1118025, 1366475, 1863375, 2459655, 4099425, 5590125, 6832375, 12298275, 20497125, 61491375]

約数ペア:

[(1, 61491375), (3, 20497125), (5, 12298275), (9, 6832375), (11, 5590125), (15, 4099425), (25, 2459655), (33, 1863375), (45, 1366475), (55, 1118025), (75, 819885), (99, 621125), (125, 491931), (165, 372675), (225, 273295), (275, 223605), (375, 163977), (495, 124225), (825, 74535), (1125, 54659), (1375, 44721), (2475, 24845), (4125, 14907), (4969, 12375)]