1816328619

素因数分解:

$3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{269}}^1$

素因数の和:601

約数の個数: 72

約数和(自身を含む): 3125893680

約数和(自身を除く): 1309565061

約数列:

[1, 3, 7, 9, 21, 49, 61, 63, 147, 183, 251, 269, 427, 441, 549, 753, 807, 1281, 1757, 1883, 2259, 2421, 2989, 3843, 5271, 5649, 8967, 12299, 13181, 15311, 15813, 16409, 16947, 26901, 36897, 39543, 45933, 49227, 67519, 107177, 110691, 114863, 118629, 137799, 147681, 202557, 321531, 344589, 472633, 607671, 750239, 804041, 964593, 1033767, 1417899, 2250717, 2412123, 3308431, 4118659, 4253697, 6752151, 7236369, 9925293, 12355977, 28830613, 29775879, 37067931, 86491839, 201814291, 259475517, 605442873, 1816328619]

約数ペア:

[(1, 1816328619), (3, 605442873), (7, 259475517), (9, 201814291), (21, 86491839), (49, 37067931), (61, 29775879), (63, 28830613), (147, 12355977), (183, 9925293), (251, 7236369), (269, 6752151), (427, 4253697), (441, 4118659), (549, 3308431), (753, 2412123), (807, 2250717), (1281, 1417899), (1757, 1033767), (1883, 964593), (2259, 804041), (2421, 750239), (2989, 607671), (3843, 472633), (5271, 344589), (5649, 321531), (8967, 202557), (12299, 147681), (13181, 137799), (15311, 118629), (15813, 114863), (16409, 110691), (16947, 107177), (26901, 67519), (36897, 49227), (39543, 45933)]