15638415

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 28108800

約数和(自身を除く): 12470385

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 169, 195, 199, 403, 465, 507, 597, 845, 995, 1209, 2015, 2535, 2587, 2985, 5239, 6045, 6169, 7761, 12935, 15717, 18507, 26195, 30845, 33631, 38805, 78585, 80197, 92535, 100893, 168155, 240591, 400985, 504465, 1042561, 1202955, 3127683, 5212805, 15638415]

約数ペア:

[(1, 15638415), (3, 5212805), (5, 3127683), (13, 1202955), (15, 1042561), (31, 504465), (39, 400985), (65, 240591), (93, 168155), (155, 100893), (169, 92535), (195, 80197), (199, 78585), (403, 38805), (465, 33631), (507, 30845), (597, 26195), (845, 18507), (995, 15717), (1209, 12935), (2015, 7761), (2535, 6169), (2587, 6045), (2985, 5239)]