128873169

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{7829}}^1$

素因数の和:7925

約数の個数: 24

約数和(自身を含む): 195436800

約数和(自身を除く): 66563631

約数列:

[1, 3, 9, 31, 59, 93, 177, 279, 531, 1829, 5487, 7829, 16461, 23487, 70461, 242699, 461911, 728097, 1385733, 2184291, 4157199, 14319241, 42957723, 128873169]

約数ペア:

[(1, 128873169), (3, 42957723), (9, 14319241), (31, 4157199), (59, 2184291), (93, 1385733), (177, 728097), (279, 461911), (531, 242699), (1829, 70461), (5487, 23487), (7829, 16461)]