13231125

素因数分解:

$3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{619}}^1$

素因数の和:659

約数の個数: 48

約数和(自身を含む): 25147200

約数和(自身を除く): 11916075

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 125, 171, 225, 285, 375, 475, 619, 855, 1125, 1425, 1857, 2375, 3095, 4275, 5571, 7125, 9285, 11761, 15475, 21375, 27855, 35283, 46425, 58805, 77375, 105849, 139275, 176415, 232125, 294025, 529245, 696375, 882075, 1470125, 2646225, 4410375, 13231125]

約数ペア:

[(1, 13231125), (3, 4410375), (5, 2646225), (9, 1470125), (15, 882075), (19, 696375), (25, 529245), (45, 294025), (57, 232125), (75, 176415), (95, 139275), (125, 105849), (171, 77375), (225, 58805), (285, 46425), (375, 35283), (475, 27855), (619, 21375), (855, 15475), (1125, 11761), (1425, 9285), (1857, 7125), (2375, 5571), (3095, 4275)]