201951981

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13877}}^1$

素因数の和:13911

約数の個数: 48

約数和(自身を含む): 379702080

約数和(自身を除く): 177750099

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 99, 147, 189, 231, 297, 441, 539, 693, 1323, 1617, 2079, 4851, 13877, 14553, 41631, 97139, 124893, 152647, 291417, 374679, 457941, 679973, 874251, 1068529, 1373823, 2039919, 2622753, 3205587, 4121469, 6119757, 7479703, 9616761, 18359271, 22439109, 28850283, 67317327, 201951981]

約数ペア:

[(1, 201951981), (3, 67317327), (7, 28850283), (9, 22439109), (11, 18359271), (21, 9616761), (27, 7479703), (33, 6119757), (49, 4121469), (63, 3205587), (77, 2622753), (99, 2039919), (147, 1373823), (189, 1068529), (231, 874251), (297, 679973), (441, 457941), (539, 374679), (693, 291417), (1323, 152647), (1617, 124893), (2079, 97139), (4851, 41631), (13877, 14553)]