72810855

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1753}}^1$

素因数の和:1848

約数の個数: 48

約数和(自身を含む): 137906496

約数和(自身を除く): 65095641

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 71, 117, 195, 213, 355, 585, 639, 923, 1065, 1753, 2769, 3195, 4615, 5259, 8307, 8765, 13845, 15777, 22789, 26295, 41535, 68367, 78885, 113945, 124463, 205101, 341835, 373389, 622315, 1025505, 1120167, 1618019, 1866945, 4854057, 5600835, 8090095, 14562171, 24270285, 72810855]

約数ペア:

[(1, 72810855), (3, 24270285), (5, 14562171), (9, 8090095), (13, 5600835), (15, 4854057), (39, 1866945), (45, 1618019), (65, 1120167), (71, 1025505), (117, 622315), (195, 373389), (213, 341835), (355, 205101), (585, 124463), (639, 113945), (923, 78885), (1065, 68367), (1753, 41535), (2769, 26295), (3195, 22789), (4615, 15777), (5259, 13845), (8307, 8765)]