17881425

素因数分解:

$3^3\times 5^2\times {\mathrm{59}}^1\times {\mathrm{449}}^1$

素因数の和:527

約数の個数: 48

約数和(自身を含む): 33480000

約数和(自身を除く): 15598575

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 59, 75, 135, 177, 225, 295, 449, 531, 675, 885, 1347, 1475, 1593, 2245, 2655, 4041, 4425, 6735, 7965, 11225, 12123, 13275, 20205, 26491, 33675, 39825, 60615, 79473, 101025, 132455, 238419, 303075, 397365, 662275, 715257, 1192095, 1986825, 3576285, 5960475, 17881425]

約数ペア:

[(1, 17881425), (3, 5960475), (5, 3576285), (9, 1986825), (15, 1192095), (25, 715257), (27, 662275), (45, 397365), (59, 303075), (75, 238419), (135, 132455), (177, 101025), (225, 79473), (295, 60615), (449, 39825), (531, 33675), (675, 26491), (885, 20205), (1347, 13275), (1475, 12123), (1593, 11225), (2245, 7965), (2655, 6735), (4041, 4425)]