974948798691

素因数分解:

$3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{421}}^1\times {\mathrm{73961}}^1$

素因数の和:74473

約数の個数: 72

約数和(自身を含む): 1665220703328

約数和(自身を除く): 690271904637

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 147, 213, 421, 441, 497, 639, 1263, 1491, 2947, 3479, 3789, 4473, 8841, 10437, 20629, 26523, 29891, 31311, 61887, 73961, 89673, 185661, 209237, 221883, 269019, 517727, 627711, 665649, 1464659, 1553181, 1883133, 3624089, 4393977, 4659543, 5251231, 10872267, 13181931, 15753693, 31137581, 32616801, 36758617, 47261079, 93412743, 110275851, 217963067, 257310319, 280238229, 330827553, 653889201, 771930957, 1525741469, 1961667603, 2210768251, 2315792871, 4577224407, 6632304753, 13731673221, 15475377757, 19896914259, 46426133271, 108327644299, 139278399813, 324982932897, 974948798691]

約数ペア:

[(1, 974948798691), (3, 324982932897), (7, 139278399813), (9, 108327644299), (21, 46426133271), (49, 19896914259), (63, 15475377757), (71, 13731673221), (147, 6632304753), (213, 4577224407), (421, 2315792871), (441, 2210768251), (497, 1961667603), (639, 1525741469), (1263, 771930957), (1491, 653889201), (2947, 330827553), (3479, 280238229), (3789, 257310319), (4473, 217963067), (8841, 110275851), (10437, 93412743), (20629, 47261079), (26523, 36758617), (29891, 32616801), (31311, 31137581), (61887, 15753693), (73961, 13181931), (89673, 10872267), (185661, 5251231), (209237, 4659543), (221883, 4393977), (269019, 3624089), (517727, 1883133), (627711, 1553181), (665649, 1464659)]