27782505

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1579}}^1$

素因数の和:1630

約数の個数: 48

約数和(自身を含む): 53239680

約数和(自身を除く): 25457175

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 85, 115, 153, 207, 255, 345, 391, 765, 1035, 1173, 1579, 1955, 3519, 4737, 5865, 7895, 14211, 17595, 23685, 26843, 36317, 71055, 80529, 108951, 134215, 181585, 241587, 326853, 402645, 544755, 617389, 1207935, 1634265, 1852167, 3086945, 5556501, 9260835, 27782505]

約数ペア:

[(1, 27782505), (3, 9260835), (5, 5556501), (9, 3086945), (15, 1852167), (17, 1634265), (23, 1207935), (45, 617389), (51, 544755), (69, 402645), (85, 326853), (115, 241587), (153, 181585), (207, 134215), (255, 108951), (345, 80529), (391, 71055), (765, 36317), (1035, 26843), (1173, 23685), (1579, 17595), (1955, 14211), (3519, 7895), (4737, 5865)]