128967975

素因数分解:

$3^2\times 5^2\times {\mathrm{191}}^1\times {\mathrm{3001}}^1$

素因数の和:3208

約数の個数: 36

約数和(自身を含む): 232282752

約数和(自身を除く): 103314777

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 191, 225, 573, 955, 1719, 2865, 3001, 4775, 8595, 9003, 14325, 15005, 27009, 42975, 45015, 75025, 135045, 225075, 573191, 675225, 1719573, 2865955, 5158719, 8597865, 14329775, 25793595, 42989325, 128967975]

約数ペア:

[(1, 128967975), (3, 42989325), (5, 25793595), (9, 14329775), (15, 8597865), (25, 5158719), (45, 2865955), (75, 1719573), (191, 675225), (225, 573191), (573, 225075), (955, 135045), (1719, 75025), (2865, 45015), (3001, 42975), (4775, 27009), (8595, 15005), (9003, 14325)]