38909619

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 70656000

約数和(自身を除く): 31746381

約数列:

[1, 3, 7, 9, 21, 27, 29, 31, 63, 87, 93, 189, 203, 217, 229, 261, 279, 609, 651, 687, 783, 837, 899, 1603, 1827, 1953, 2061, 2697, 4809, 5481, 5859, 6183, 6293, 6641, 7099, 8091, 14427, 18879, 19923, 21297, 24273, 43281, 46487, 49693, 56637, 59769, 63891, 139461, 149079, 169911, 179307, 191673, 205871, 418383, 447237, 617613, 1255149, 1341711, 1441097, 1852839, 4323291, 5558517, 12969873, 38909619]

約数ペア:

[(1, 38909619), (3, 12969873), (7, 5558517), (9, 4323291), (21, 1852839), (27, 1441097), (29, 1341711), (31, 1255149), (63, 617613), (87, 447237), (93, 418383), (189, 205871), (203, 191673), (217, 179307), (229, 169911), (261, 149079), (279, 139461), (609, 63891), (651, 59769), (687, 56637), (783, 49693), (837, 46487), (899, 43281), (1603, 24273), (1827, 21297), (1953, 19923), (2061, 18879), (2697, 14427), (4809, 8091), (5481, 7099), (5859, 6641), (6183, 6293)]