28401015

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{701}}^1$

素因数の和:819

約数の個数: 32

約数和(自身を含む): 47376576

約数和(自身を除く): 18975561

約数列:

[1, 3, 5, 15, 37, 73, 111, 185, 219, 365, 555, 701, 1095, 2103, 2701, 3505, 8103, 10515, 13505, 25937, 40515, 51173, 77811, 129685, 153519, 255865, 389055, 767595, 1893401, 5680203, 9467005, 28401015]

約数ペア:

[(1, 28401015), (3, 9467005), (5, 5680203), (15, 1893401), (37, 767595), (73, 389055), (111, 255865), (185, 153519), (219, 129685), (365, 77811), (555, 51173), (701, 40515), (1095, 25937), (2103, 13505), (2701, 10515), (3505, 8103)]