9780642972

素因数分解:

$2^2\times 3^3\times {\mathrm{31}}^1\times {\mathrm{2921339}}^1$

素因数の和:2921383

約数の個数: 48

約数和(自身を含む): 26175206400

約数和(自身を除く): 16394563428

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 93, 108, 124, 186, 279, 372, 558, 837, 1116, 1674, 3348, 2921339, 5842678, 8764017, 11685356, 17528034, 26292051, 35056068, 52584102, 78876153, 90561509, 105168204, 157752306, 181123018, 271684527, 315504612, 362246036, 543369054, 815053581, 1086738108, 1630107162, 2445160743, 3260214324, 4890321486, 9780642972]

約数ペア:

[(1, 9780642972), (2, 4890321486), (3, 3260214324), (4, 2445160743), (6, 1630107162), (9, 1086738108), (12, 815053581), (18, 543369054), (27, 362246036), (31, 315504612), (36, 271684527), (54, 181123018), (62, 157752306), (93, 105168204), (108, 90561509), (124, 78876153), (186, 52584102), (279, 35056068), (372, 26292051), (558, 17528034), (837, 11685356), (1116, 8764017), (1674, 5842678), (3348, 2921339)]