28263829713

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{128413}}^1$

素因数の和:128693

約数の個数: 32

約数和(自身を含む): 44182634496

約数和(自身を除く): 15918804783

約数列:

[1, 3, 7, 21, 47, 141, 223, 329, 669, 987, 1561, 4683, 10481, 31443, 73367, 128413, 220101, 385239, 898891, 2696673, 6035411, 18106233, 28636099, 42247877, 85908297, 126743631, 200452693, 601358079, 1345896653, 4037689959, 9421276571, 28263829713]

約数ペア:

[(1, 28263829713), (3, 9421276571), (7, 4037689959), (21, 1345896653), (47, 601358079), (141, 200452693), (223, 126743631), (329, 85908297), (669, 42247877), (987, 28636099), (1561, 18106233), (4683, 6035411), (10481, 2696673), (31443, 898891), (73367, 385239), (128413, 220101)]