15861258

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:289

約数の個数: 80

約数和(自身を含む): 41399424

約数和(自身を除く): 25538166

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 71, 81, 126, 142, 162, 189, 197, 213, 378, 394, 426, 497, 567, 591, 639, 994, 1134, 1182, 1278, 1379, 1491, 1773, 1917, 2758, 2982, 3546, 3834, 4137, 4473, 5319, 5751, 8274, 8946, 10638, 11502, 12411, 13419, 13987, 15957, 24822, 26838, 27974, 31914, 37233, 40257, 41961, 74466, 80514, 83922, 97909, 111699, 125883, 195818, 223398, 251766, 293727, 377649, 587454, 755298, 881181, 1132947, 1762362, 2265894, 2643543, 5287086, 7930629, 15861258]

約数ペア:

[(1, 15861258), (2, 7930629), (3, 5287086), (6, 2643543), (7, 2265894), (9, 1762362), (14, 1132947), (18, 881181), (21, 755298), (27, 587454), (42, 377649), (54, 293727), (63, 251766), (71, 223398), (81, 195818), (126, 125883), (142, 111699), (162, 97909), (189, 83922), (197, 80514), (213, 74466), (378, 41961), (394, 40257), (426, 37233), (497, 31914), (567, 27974), (591, 26838), (639, 24822), (994, 15957), (1134, 13987), (1182, 13419), (1278, 12411), (1379, 11502), (1491, 10638), (1773, 8946), (1917, 8274), (2758, 5751), (2982, 5319), (3546, 4473), (3834, 4137)]