27938358

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:439

約数の個数: 80

約数和(自身を含む): 72762624

約数和(自身を除く): 44824266

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 71, 81, 126, 142, 162, 189, 213, 347, 378, 426, 497, 567, 639, 694, 994, 1041, 1134, 1278, 1491, 1917, 2082, 2429, 2982, 3123, 3834, 4473, 4858, 5751, 6246, 7287, 8946, 9369, 11502, 13419, 14574, 18738, 21861, 24637, 26838, 28107, 40257, 43722, 49274, 56214, 65583, 73911, 80514, 131166, 147822, 172459, 196749, 221733, 344918, 393498, 443466, 517377, 665199, 1034754, 1330398, 1552131, 1995597, 3104262, 3991194, 4656393, 9312786, 13969179, 27938358]

約数ペア:

[(1, 27938358), (2, 13969179), (3, 9312786), (6, 4656393), (7, 3991194), (9, 3104262), (14, 1995597), (18, 1552131), (21, 1330398), (27, 1034754), (42, 665199), (54, 517377), (63, 443466), (71, 393498), (81, 344918), (126, 221733), (142, 196749), (162, 172459), (189, 147822), (213, 131166), (347, 80514), (378, 73911), (426, 65583), (497, 56214), (567, 49274), (639, 43722), (694, 40257), (994, 28107), (1041, 26838), (1134, 24637), (1278, 21861), (1491, 18738), (1917, 14574), (2082, 13419), (2429, 11502), (2982, 9369), (3123, 8946), (3834, 7287), (4473, 6246), (4858, 5751)]