28422915

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 46737216

約数和(自身を除く): 18314301

約数列:

[1, 3, 5, 15, 73, 101, 219, 257, 303, 365, 505, 771, 1095, 1285, 1515, 3855, 7373, 18761, 22119, 25957, 36865, 56283, 77871, 93805, 110595, 129785, 281415, 389355, 1894861, 5684583, 9474305, 28422915]

約数ペア:

[(1, 28422915), (3, 9474305), (5, 5684583), (15, 1894861), (73, 389355), (101, 281415), (219, 129785), (257, 110595), (303, 93805), (365, 77871), (505, 56283), (771, 36865), (1095, 25957), (1285, 22119), (1515, 18761), (3855, 7373)]