618156669

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 978130944

約数和(自身を除く): 359974275

約数列:

[1, 3, 13, 17, 37, 39, 51, 111, 113, 221, 223, 339, 481, 629, 663, 669, 1443, 1469, 1887, 1921, 2899, 3791, 4181, 4407, 5763, 8177, 8251, 8697, 11373, 12543, 24531, 24753, 24973, 25199, 49283, 54353, 71077, 74919, 75597, 107263, 140267, 147849, 163059, 213231, 321789, 327587, 420801, 428383, 924001, 932363, 982761, 1285149, 1823471, 2772003, 2797089, 5470413, 5568979, 12120719, 15850171, 16706937, 36362157, 47550513, 206052223, 618156669]

約数ペア:

[(1, 618156669), (3, 206052223), (13, 47550513), (17, 36362157), (37, 16706937), (39, 15850171), (51, 12120719), (111, 5568979), (113, 5470413), (221, 2797089), (223, 2772003), (339, 1823471), (481, 1285149), (629, 982761), (663, 932363), (669, 924001), (1443, 428383), (1469, 420801), (1887, 327587), (1921, 321789), (2899, 213231), (3791, 163059), (4181, 147849), (4407, 140267), (5763, 107263), (8177, 75597), (8251, 74919), (8697, 71077), (11373, 54353), (12543, 49283), (24531, 25199), (24753, 24973)]