291383145

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20047}}^1$

素因数の和:20094

約数の個数: 48

約数和(自身を含む): 562947840

約数和(自身を除く): 271564695

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 57, 85, 95, 153, 171, 255, 285, 323, 765, 855, 969, 1615, 2907, 4845, 14535, 20047, 60141, 100235, 180423, 300705, 340799, 380893, 902115, 1022397, 1142679, 1703995, 1904465, 3067191, 3428037, 5111985, 5713395, 6475181, 15335955, 17140185, 19425543, 32375905, 58276629, 97127715, 291383145]

約数ペア:

[(1, 291383145), (3, 97127715), (5, 58276629), (9, 32375905), (15, 19425543), (17, 17140185), (19, 15335955), (45, 6475181), (51, 5713395), (57, 5111985), (85, 3428037), (95, 3067191), (153, 1904465), (171, 1703995), (255, 1142679), (285, 1022397), (323, 902115), (765, 380893), (855, 340799), (969, 300705), (1615, 180423), (2907, 100235), (4845, 60141), (14535, 20047)]