212125473

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{373}}^1$

素因数の和:468

約数の個数: 80

約数和(自身を含む): 390994560

約数和(自身を除く): 178869087

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 59, 63, 81, 119, 153, 177, 189, 357, 373, 413, 459, 531, 567, 1003, 1071, 1119, 1239, 1377, 1593, 2611, 3009, 3213, 3357, 3717, 4779, 6341, 7021, 7833, 9027, 9639, 10071, 11151, 19023, 21063, 22007, 23499, 27081, 30213, 33453, 44387, 57069, 63189, 66021, 70497, 81243, 133161, 154049, 171207, 189567, 198063, 211491, 374119, 399483, 462147, 513621, 568701, 594189, 1122357, 1198449, 1386441, 1782567, 2618833, 3367071, 3595347, 4159323, 7856499, 10101213, 12477969, 23569497, 30303639, 70708491, 212125473]

約数ペア:

[(1, 212125473), (3, 70708491), (7, 30303639), (9, 23569497), (17, 12477969), (21, 10101213), (27, 7856499), (51, 4159323), (59, 3595347), (63, 3367071), (81, 2618833), (119, 1782567), (153, 1386441), (177, 1198449), (189, 1122357), (357, 594189), (373, 568701), (413, 513621), (459, 462147), (531, 399483), (567, 374119), (1003, 211491), (1071, 198063), (1119, 189567), (1239, 171207), (1377, 154049), (1593, 133161), (2611, 81243), (3009, 70497), (3213, 66021), (3357, 63189), (3717, 57069), (4779, 44387), (6341, 33453), (7021, 30213), (7833, 27081), (9027, 23499), (9639, 22007), (10071, 21063), (11151, 19023)]