747898641

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1\times {\mathrm{509}}^1$

素因数の和:886

約数の個数: 48

約数和(自身を含む): 1256411520

約数和(自身を除く): 508512879

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 281, 509, 581, 747, 843, 1527, 1743, 1967, 2529, 3563, 4581, 5229, 5901, 10689, 17703, 23323, 32067, 42247, 69969, 126741, 143029, 163261, 209907, 295729, 380223, 429087, 489783, 887187, 1001203, 1287261, 1469349, 2661561, 3003609, 9010827, 11871407, 35614221, 83099849, 106842663, 249299547, 747898641]

約数ペア:

[(1, 747898641), (3, 249299547), (7, 106842663), (9, 83099849), (21, 35614221), (63, 11871407), (83, 9010827), (249, 3003609), (281, 2661561), (509, 1469349), (581, 1287261), (747, 1001203), (843, 887187), (1527, 489783), (1743, 429087), (1967, 380223), (2529, 295729), (3563, 209907), (4581, 163261), (5229, 143029), (5901, 126741), (10689, 69969), (17703, 42247), (23323, 32067)]