218360121

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1481}}^1$

素因数の和:1574

約数の個数: 48

約数和(自身を含む): 364927680

約数和(自身を除く): 146567559

約数列:

[1, 3, 7, 17, 21, 49, 51, 59, 119, 147, 177, 357, 413, 833, 1003, 1239, 1481, 2499, 2891, 3009, 4443, 7021, 8673, 10367, 21063, 25177, 31101, 49147, 72569, 75531, 87379, 147441, 176239, 217707, 262137, 528717, 611653, 1233673, 1485443, 1834959, 3701019, 4281571, 4456329, 10398101, 12844713, 31194303, 72786707, 218360121]

約数ペア:

[(1, 218360121), (3, 72786707), (7, 31194303), (17, 12844713), (21, 10398101), (49, 4456329), (51, 4281571), (59, 3701019), (119, 1834959), (147, 1485443), (177, 1233673), (357, 611653), (413, 528717), (833, 262137), (1003, 217707), (1239, 176239), (1481, 147441), (2499, 87379), (2891, 75531), (3009, 72569), (4443, 49147), (7021, 31101), (8673, 25177), (10367, 21063)]