15475131

素因数分解:

$3^4\times 7^3\times {\mathrm{557}}^1$

素因数の和:590

約数の個数: 40

約数和(自身を含む): 27007200

約数和(自身を除く): 11532069

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 343, 441, 557, 567, 1029, 1323, 1671, 3087, 3899, 3969, 5013, 9261, 11697, 15039, 27293, 27783, 35091, 45117, 81879, 105273, 191051, 245637, 315819, 573153, 736911, 1719459, 2210733, 5158377, 15475131]

約数ペア:

[(1, 15475131), (3, 5158377), (7, 2210733), (9, 1719459), (21, 736911), (27, 573153), (49, 315819), (63, 245637), (81, 191051), (147, 105273), (189, 81879), (343, 45117), (441, 35091), (557, 27783), (567, 27293), (1029, 15039), (1323, 11697), (1671, 9261), (3087, 5013), (3899, 3969)]