690306543

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{653}}^1$

素因数の和:1117

約数の個数: 40

約数和(自身を含む): 1068625536

約数和(自身を除く): 378318993

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 421, 653, 837, 1263, 1959, 2511, 3789, 5877, 11367, 13051, 17631, 20243, 34101, 39153, 52893, 60729, 117459, 182187, 274913, 352377, 546561, 824739, 1057131, 1639683, 2474217, 7422651, 8522303, 22267953, 25566909, 76700727, 230102181, 690306543]

約数ペア:

[(1, 690306543), (3, 230102181), (9, 76700727), (27, 25566909), (31, 22267953), (81, 8522303), (93, 7422651), (279, 2474217), (421, 1639683), (653, 1057131), (837, 824739), (1263, 546561), (1959, 352377), (2511, 274913), (3789, 182187), (5877, 117459), (11367, 60729), (13051, 52893), (17631, 39153), (20243, 34101)]