28913991

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{563}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 43856640

約数和(自身を除く): 14942649

約数列:

[1, 3, 17, 19, 51, 53, 57, 159, 323, 563, 901, 969, 1007, 1689, 2703, 3021, 9571, 10697, 17119, 28713, 29839, 32091, 51357, 89517, 181849, 507263, 545547, 566941, 1521789, 1700823, 9637997, 28913991]

約数ペア:

[(1, 28913991), (3, 9637997), (17, 1700823), (19, 1521789), (51, 566941), (53, 545547), (57, 507263), (159, 181849), (323, 89517), (563, 51357), (901, 32091), (969, 29839), (1007, 28713), (1689, 17119), (2703, 10697), (3021, 9571)]