25267905

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{919}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 48222720

約数和(自身を除く): 22954815

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 47, 65, 117, 141, 195, 235, 423, 585, 611, 705, 919, 1833, 2115, 2757, 3055, 4595, 5499, 8271, 9165, 11947, 13785, 27495, 35841, 41355, 43193, 59735, 107523, 129579, 179205, 215965, 388737, 537615, 561509, 647895, 1684527, 1943685, 2807545, 5053581, 8422635, 25267905]

約数ペア:

[(1, 25267905), (3, 8422635), (5, 5053581), (9, 2807545), (13, 1943685), (15, 1684527), (39, 647895), (45, 561509), (47, 537615), (65, 388737), (117, 215965), (141, 179205), (195, 129579), (235, 107523), (423, 59735), (585, 43193), (611, 41355), (705, 35841), (919, 27495), (1833, 13785), (2115, 11947), (2757, 9165), (3055, 8271), (4595, 5499)]