22819725

素因数分解:

$3^4\times 5^2\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:272

約数の個数: 60

約数和(自身を含む): 43211520

約数和(自身を除く): 20391795

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 59, 75, 81, 135, 177, 191, 225, 295, 405, 531, 573, 675, 885, 955, 1475, 1593, 1719, 2025, 2655, 2865, 4425, 4775, 4779, 5157, 7965, 8595, 11269, 13275, 14325, 15471, 23895, 25785, 33807, 39825, 42975, 56345, 77355, 101421, 119475, 128925, 169035, 281725, 304263, 386775, 507105, 845175, 912789, 1521315, 2535525, 4563945, 7606575, 22819725]

約数ペア:

[(1, 22819725), (3, 7606575), (5, 4563945), (9, 2535525), (15, 1521315), (25, 912789), (27, 845175), (45, 507105), (59, 386775), (75, 304263), (81, 281725), (135, 169035), (177, 128925), (191, 119475), (225, 101421), (295, 77355), (405, 56345), (531, 42975), (573, 39825), (675, 33807), (885, 25785), (955, 23895), (1475, 15471), (1593, 14325), (1719, 13275), (2025, 11269), (2655, 8595), (2865, 7965), (4425, 5157), (4775, 4779)]