2005121175

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{11731}}^1$

素因数の和:11840

約数の個数: 48

約数和(自身を含む): 3456528768

約数和(自身を除く): 1451407593

約数列:

[1, 3, 5, 15, 25, 43, 53, 75, 129, 159, 215, 265, 645, 795, 1075, 1325, 2279, 3225, 3975, 6837, 11395, 11731, 34185, 35193, 56975, 58655, 170925, 175965, 293275, 504433, 621743, 879825, 1513299, 1865229, 2522165, 3108715, 7566495, 9326145, 12610825, 15543575, 26734949, 37832475, 46630725, 80204847, 133674745, 401024235, 668373725, 2005121175]

約数ペア:

[(1, 2005121175), (3, 668373725), (5, 401024235), (15, 133674745), (25, 80204847), (43, 46630725), (53, 37832475), (75, 26734949), (129, 15543575), (159, 12610825), (215, 9326145), (265, 7566495), (645, 3108715), (795, 2522165), (1075, 1865229), (1325, 1513299), (2279, 879825), (3225, 621743), (3975, 504433), (6837, 293275), (11395, 175965), (11731, 170925), (34185, 58655), (35193, 56975)]