81651888

素因数分解:

$2^4\times 3^5\times {\mathrm{21001}}^1$

素因数の和:21024

約数の個数: 60

約数和(自身を含む): 236986568

約数和(自身を除く): 155334680

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 648, 972, 1296, 1944, 3888, 21001, 42002, 63003, 84004, 126006, 168008, 189009, 252012, 336016, 378018, 504024, 567027, 756036, 1008048, 1134054, 1512072, 1701081, 2268108, 3024144, 3402162, 4536216, 5103243, 6804324, 9072432, 10206486, 13608648, 20412972, 27217296, 40825944, 81651888]

約数ペア:

[(1, 81651888), (2, 40825944), (3, 27217296), (4, 20412972), (6, 13608648), (8, 10206486), (9, 9072432), (12, 6804324), (16, 5103243), (18, 4536216), (24, 3402162), (27, 3024144), (36, 2268108), (48, 1701081), (54, 1512072), (72, 1134054), (81, 1008048), (108, 756036), (144, 567027), (162, 504024), (216, 378018), (243, 336016), (324, 252012), (432, 189009), (486, 168008), (648, 126006), (972, 84004), (1296, 63003), (1944, 42002), (3888, 21001)]