15772491

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 27518400

約数和(自身を除く): 11745909

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 89, 97, 203, 261, 267, 291, 609, 623, 679, 801, 873, 1827, 1869, 2037, 2581, 2813, 5607, 6111, 7743, 8439, 8633, 18067, 19691, 23229, 25317, 25899, 54201, 59073, 60431, 77697, 162603, 177219, 181293, 250357, 543879, 751071, 1752499, 2253213, 5257497, 15772491]

約数ペア:

[(1, 15772491), (3, 5257497), (7, 2253213), (9, 1752499), (21, 751071), (29, 543879), (63, 250357), (87, 181293), (89, 177219), (97, 162603), (203, 77697), (261, 60431), (267, 59073), (291, 54201), (609, 25899), (623, 25317), (679, 23229), (801, 19691), (873, 18067), (1827, 8633), (1869, 8439), (2037, 7743), (2581, 6111), (2813, 5607)]