390614559

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{821}}^1$

素因数の和:1351

約数の個数: 32

約数和(自身を含む): 582370560

約数和(自身を除く): 191756001

約数列:

[1, 3, 17, 19, 51, 57, 323, 491, 821, 969, 1473, 2463, 8347, 9329, 13957, 15599, 25041, 27987, 41871, 46797, 158593, 265183, 403111, 475779, 795549, 1209333, 6852887, 7659109, 20558661, 22977327, 130204853, 390614559]

約数ペア:

[(1, 390614559), (3, 130204853), (17, 22977327), (19, 20558661), (51, 7659109), (57, 6852887), (323, 1209333), (491, 795549), (821, 475779), (969, 403111), (1473, 265183), (2463, 158593), (8347, 46797), (9329, 41871), (13957, 27987), (15599, 25041)]