28013625

素因数分解:

$3^2\times 5^3\times {\mathrm{37}}^1\times {\mathrm{673}}^1$

素因数の和:731

約数の個数: 48

約数和(自身を含む): 51941136

約数和(自身を除く): 23927511

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 75, 111, 125, 185, 225, 333, 375, 555, 673, 925, 1125, 1665, 2019, 2775, 3365, 4625, 6057, 8325, 10095, 13875, 16825, 24901, 30285, 41625, 50475, 74703, 84125, 124505, 151425, 224109, 252375, 373515, 622525, 757125, 1120545, 1867575, 3112625, 5602725, 9337875, 28013625]

約数ペア:

[(1, 28013625), (3, 9337875), (5, 5602725), (9, 3112625), (15, 1867575), (25, 1120545), (37, 757125), (45, 622525), (75, 373515), (111, 252375), (125, 224109), (185, 151425), (225, 124505), (333, 84125), (375, 74703), (555, 50475), (673, 41625), (925, 30285), (1125, 24901), (1665, 16825), (2019, 13875), (2775, 10095), (3365, 8325), (4625, 6057)]