15199145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 21396480

約数和(自身を除く): 6197335

約数列:

[1, 5, 13, 19, 31, 65, 95, 155, 247, 397, 403, 589, 1235, 1985, 2015, 2945, 5161, 7543, 7657, 12307, 25805, 37715, 38285, 61535, 98059, 159991, 233833, 490295, 799955, 1169165, 3039829, 15199145]

約数ペア:

[(1, 15199145), (5, 3039829), (13, 1169165), (19, 799955), (31, 490295), (65, 233833), (95, 159991), (155, 98059), (247, 61535), (397, 38285), (403, 37715), (589, 25805), (1235, 12307), (1985, 7657), (2015, 7543), (2945, 5161)]