28376733

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:167

約数の個数: 64

約数和(自身を含む): 50688000

約数和(自身を除く): 22311267

約数列:

[1, 3, 7, 11, 21, 23, 33, 49, 69, 77, 109, 147, 161, 231, 253, 327, 343, 483, 539, 759, 763, 1029, 1127, 1199, 1617, 1771, 2289, 2507, 3381, 3597, 3773, 5313, 5341, 7521, 7889, 8393, 11319, 12397, 16023, 17549, 23667, 25179, 27577, 37191, 37387, 52647, 58751, 82731, 86779, 112161, 122843, 176253, 193039, 260337, 368529, 411257, 579117, 859901, 1233771, 1351273, 2579703, 4053819, 9458911, 28376733]

約数ペア:

[(1, 28376733), (3, 9458911), (7, 4053819), (11, 2579703), (21, 1351273), (23, 1233771), (33, 859901), (49, 579117), (69, 411257), (77, 368529), (109, 260337), (147, 193039), (161, 176253), (231, 122843), (253, 112161), (327, 86779), (343, 82731), (483, 58751), (539, 52647), (759, 37387), (763, 37191), (1029, 27577), (1127, 25179), (1199, 23667), (1617, 17549), (1771, 16023), (2289, 12397), (2507, 11319), (3381, 8393), (3597, 7889), (3773, 7521), (5313, 5341)]