61578675

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{947}}^1$

素因数の和:997

約数の個数: 54

約数和(自身を含む): 117287508

約数和(自身を除く): 55708833

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 289, 425, 765, 867, 947, 1275, 1445, 2601, 2841, 3825, 4335, 4735, 7225, 8523, 13005, 14205, 16099, 21675, 23675, 42615, 48297, 65025, 71025, 80495, 144891, 213075, 241485, 273683, 402475, 724455, 821049, 1207425, 1368415, 2463147, 3622275, 4105245, 6842075, 12315735, 20526225, 61578675]

約数ペア:

[(1, 61578675), (3, 20526225), (5, 12315735), (9, 6842075), (15, 4105245), (17, 3622275), (25, 2463147), (45, 1368415), (51, 1207425), (75, 821049), (85, 724455), (153, 402475), (225, 273683), (255, 241485), (289, 213075), (425, 144891), (765, 80495), (867, 71025), (947, 65025), (1275, 48297), (1445, 42615), (2601, 23675), (2841, 21675), (3825, 16099), (4335, 14205), (4735, 13005), (7225, 8523)]