31421321001

素因数分解:

$3^2\times 7^2\times {\mathrm{149}}^1\times {\mathrm{478189}}^1$

素因数の和:478358

約数の個数: 36

約数和(自身を含む): 53150818500

約数和(自身を除く): 21729497499

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 149, 441, 447, 1043, 1341, 3129, 7301, 9387, 21903, 65709, 478189, 1434567, 3347323, 4303701, 10041969, 23431261, 30125907, 70293783, 71250161, 210881349, 213750483, 498751127, 641251449, 1496253381, 3491257889, 4488760143, 10473773667, 31421321001]

約数ペア:

[(1, 31421321001), (3, 10473773667), (7, 4488760143), (9, 3491257889), (21, 1496253381), (49, 641251449), (63, 498751127), (147, 213750483), (149, 210881349), (441, 71250161), (447, 70293783), (1043, 30125907), (1341, 23431261), (3129, 10041969), (7301, 4303701), (9387, 3347323), (21903, 1434567), (65709, 478189)]