103213725

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 178274304

約数和(自身を除く): 75060579

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 103, 155, 309, 431, 465, 515, 775, 1293, 1545, 2155, 2325, 2575, 3193, 6465, 7725, 9579, 10775, 13361, 15965, 32325, 40083, 44393, 47895, 66805, 79825, 133179, 200415, 221965, 239475, 334025, 665895, 1002075, 1109825, 1376183, 3329475, 4128549, 6880915, 20642745, 34404575, 103213725]

約数ペア:

[(1, 103213725), (3, 34404575), (5, 20642745), (15, 6880915), (25, 4128549), (31, 3329475), (75, 1376183), (93, 1109825), (103, 1002075), (155, 665895), (309, 334025), (431, 239475), (465, 221965), (515, 200415), (775, 133179), (1293, 79825), (1545, 66805), (2155, 47895), (2325, 44393), (2575, 40083), (3193, 32325), (6465, 15965), (7725, 13361), (9579, 10775)]