81648378

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3541}}^1$

素因数の和:3620

約数の個数: 64

約数和(自身を含む): 210819840

約数和(自身を除く): 129171462

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 61, 63, 122, 126, 183, 189, 366, 378, 427, 549, 854, 1098, 1281, 1647, 2562, 3294, 3541, 3843, 7082, 7686, 10623, 11529, 21246, 23058, 24787, 31869, 49574, 63738, 74361, 95607, 148722, 191214, 216001, 223083, 432002, 446166, 648003, 669249, 1296006, 1338498, 1512007, 1944009, 3024014, 3888018, 4536021, 5832027, 9072042, 11664054, 13608063, 27216126, 40824189, 81648378]

約数ペア:

[(1, 81648378), (2, 40824189), (3, 27216126), (6, 13608063), (7, 11664054), (9, 9072042), (14, 5832027), (18, 4536021), (21, 3888018), (27, 3024014), (42, 1944009), (54, 1512007), (61, 1338498), (63, 1296006), (122, 669249), (126, 648003), (183, 446166), (189, 432002), (366, 223083), (378, 216001), (427, 191214), (549, 148722), (854, 95607), (1098, 74361), (1281, 63738), (1647, 49574), (2562, 31869), (3294, 24787), (3541, 23058), (3843, 21246), (7082, 11529), (7686, 10623)]