2055915

素因数分解:

$3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:268

約数の個数: 32

約数和(自身を含む): 3716160

約数和(自身を除く): 1660245

約数列:

[1, 3, 5, 9, 15, 27, 45, 97, 135, 157, 291, 471, 485, 785, 873, 1413, 1455, 2355, 2619, 4239, 4365, 7065, 13095, 15229, 21195, 45687, 76145, 137061, 228435, 411183, 685305, 2055915]

約数ペア:

[(1, 2055915), (3, 685305), (5, 411183), (9, 228435), (15, 137061), (27, 76145), (45, 45687), (97, 21195), (135, 15229), (157, 13095), (291, 7065), (471, 4365), (485, 4239), (785, 2619), (873, 2355), (1413, 1455)]