393444345

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{971}}^1$

素因数の和:1230

約数の個数: 64

約数和(自身を含む): 765904896

約数和(自身を除く): 372460551

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 227, 255, 357, 595, 681, 971, 1135, 1589, 1785, 2913, 3405, 3859, 4767, 4855, 6797, 7945, 11577, 14565, 16507, 19295, 20391, 23835, 27013, 33985, 49521, 57885, 81039, 82535, 101955, 115549, 135065, 220417, 247605, 346647, 405195, 577745, 661251, 1102085, 1542919, 1733235, 3306255, 3747089, 4628757, 7714595, 11241267, 18735445, 23143785, 26229623, 56206335, 78688869, 131148115, 393444345]

約数ペア:

[(1, 393444345), (3, 131148115), (5, 78688869), (7, 56206335), (15, 26229623), (17, 23143785), (21, 18735445), (35, 11241267), (51, 7714595), (85, 4628757), (105, 3747089), (119, 3306255), (227, 1733235), (255, 1542919), (357, 1102085), (595, 661251), (681, 577745), (971, 405195), (1135, 346647), (1589, 247605), (1785, 220417), (2913, 135065), (3405, 115549), (3859, 101955), (4767, 82535), (4855, 81039), (6797, 57885), (7945, 49521), (11577, 33985), (14565, 27013), (16507, 23835), (19295, 20391)]