2789210463

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{421}}^1\times {\mathrm{661}}^1$

素因数の和:1355

約数の個数: 32

約数和(自身を含む): 4036251072

約数和(自身を除く): 1247040609

約数列:

[1, 3, 13, 39, 257, 421, 661, 771, 1263, 1983, 3341, 5473, 8593, 10023, 16419, 25779, 108197, 169877, 278281, 324591, 509631, 834843, 1406561, 2208401, 3617653, 4219683, 6625203, 10852959, 71518217, 214554651, 929736821, 2789210463]

約数ペア:

[(1, 2789210463), (3, 929736821), (13, 214554651), (39, 71518217), (257, 10852959), (421, 6625203), (661, 4219683), (771, 3617653), (1263, 2208401), (1983, 1406561), (3341, 834843), (5473, 509631), (8593, 324591), (10023, 278281), (16419, 169877), (25779, 108197)]