28647735

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 47139840

約数和(自身を除く): 18492105

約数列:

[1, 3, 5, 15, 61, 131, 183, 239, 305, 393, 655, 717, 915, 1195, 1965, 3585, 7991, 14579, 23973, 31309, 39955, 43737, 72895, 93927, 119865, 156545, 218685, 469635, 1909849, 5729547, 9549245, 28647735]

約数ペア:

[(1, 28647735), (3, 9549245), (5, 5729547), (15, 1909849), (61, 469635), (131, 218685), (183, 156545), (239, 119865), (305, 93927), (393, 72895), (655, 43737), (717, 39955), (915, 31309), (1195, 23973), (1965, 14579), (3585, 7991)]