30805305

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 50675328

約数和(自身を除く): 19870023

約数列:

[1, 3, 5, 15, 61, 131, 183, 257, 305, 393, 655, 771, 915, 1285, 1965, 3855, 7991, 15677, 23973, 33667, 39955, 47031, 78385, 101001, 119865, 168335, 235155, 505005, 2053687, 6161061, 10268435, 30805305]

約数ペア:

[(1, 30805305), (3, 10268435), (5, 6161061), (15, 2053687), (61, 505005), (131, 235155), (183, 168335), (257, 119865), (305, 101001), (393, 78385), (655, 47031), (771, 39955), (915, 33667), (1285, 23973), (1965, 15677), (3855, 7991)]