128973237

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 196664832

約数和(自身を除く): 67691595

約数列:

[1, 3, 17, 29, 31, 51, 87, 93, 97, 291, 493, 527, 841, 899, 1479, 1581, 1649, 2523, 2697, 2813, 3007, 4947, 8439, 9021, 14297, 15283, 26071, 42891, 45849, 47821, 51119, 78213, 81577, 87203, 143463, 153357, 244731, 261609, 443207, 1329621, 1386809, 1482451, 2528887, 4160427, 4447353, 7586661, 42991079, 128973237]

約数ペア:

[(1, 128973237), (3, 42991079), (17, 7586661), (29, 4447353), (31, 4160427), (51, 2528887), (87, 1482451), (93, 1386809), (97, 1329621), (291, 443207), (493, 261609), (527, 244731), (841, 153357), (899, 143463), (1479, 87203), (1581, 81577), (1649, 78213), (2523, 51119), (2697, 47821), (2813, 45849), (3007, 42891), (4947, 26071), (8439, 15283), (9021, 14297)]