201218265

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1499}}^1$

素因数の和:1686

約数の個数: 48

約数和(自身を含む): 369720000

約数和(自身を除く): 168501735

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 157, 171, 285, 471, 785, 855, 1413, 1499, 2355, 2983, 4497, 7065, 7495, 8949, 13491, 14915, 22485, 26847, 28481, 44745, 67455, 85443, 134235, 142405, 235343, 256329, 427215, 706029, 1176715, 1281645, 2118087, 3530145, 4471517, 10590435, 13414551, 22357585, 40243653, 67072755, 201218265]

約数ペア:

[(1, 201218265), (3, 67072755), (5, 40243653), (9, 22357585), (15, 13414551), (19, 10590435), (45, 4471517), (57, 3530145), (95, 2118087), (157, 1281645), (171, 1176715), (285, 706029), (471, 427215), (785, 256329), (855, 235343), (1413, 142405), (1499, 134235), (2355, 85443), (2983, 67455), (4497, 44745), (7065, 28481), (7495, 26847), (8949, 22485), (13491, 14915)]