27971880111

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{569}}^1\times {\mathrm{5237}}^1$

素因数の和:5968

約数の個数: 48

約数和(自身を含む): 46576296000

約数和(自身を除く): 18604415889

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 569, 1043, 1341, 1707, 3129, 3983, 5121, 5237, 9387, 11949, 15711, 35847, 36659, 47133, 84781, 109977, 254343, 329931, 593467, 763029, 780313, 1780401, 2340939, 2979853, 5341203, 5462191, 7022817, 8939559, 16386573, 20858971, 26818677, 49159719, 62576913, 187730739, 443998097, 1331994291, 3107986679, 3995982873, 9323960037, 27971880111]

約数ペア:

[(1, 27971880111), (3, 9323960037), (7, 3995982873), (9, 3107986679), (21, 1331994291), (63, 443998097), (149, 187730739), (447, 62576913), (569, 49159719), (1043, 26818677), (1341, 20858971), (1707, 16386573), (3129, 8939559), (3983, 7022817), (5121, 5462191), (5237, 5341203), (9387, 2979853), (11949, 2340939), (15711, 1780401), (35847, 780313), (36659, 763029), (47133, 593467), (84781, 329931), (109977, 254343)]