28141719

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 41032704

約数和(自身を除く): 12890985

約数列:

[1, 3, 23, 37, 69, 73, 111, 151, 219, 453, 851, 1679, 2553, 2701, 3473, 5037, 5587, 8103, 10419, 11023, 16761, 33069, 62123, 128501, 186369, 253529, 385503, 407851, 760587, 1223553, 9380573, 28141719]

約数ペア:

[(1, 28141719), (3, 9380573), (23, 1223553), (37, 760587), (69, 407851), (73, 385503), (111, 253529), (151, 186369), (219, 128501), (453, 62123), (851, 33069), (1679, 16761), (2553, 11023), (2701, 10419), (3473, 8103), (5037, 5587)]