320420331

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^2\times {\mathrm{103}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 591462144

約数和(自身を除く): 271041813

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 67, 77, 99, 103, 201, 231, 309, 469, 603, 693, 721, 737, 927, 1133, 1407, 2163, 2211, 3399, 4221, 4489, 5159, 6489, 6633, 6901, 7931, 10197, 13467, 15477, 20703, 23793, 31423, 40401, 46431, 48307, 49379, 62109, 71379, 75911, 94269, 144921, 148137, 227733, 282807, 345653, 434763, 444411, 462367, 531377, 683199, 1036959, 1387101, 1594131, 3110877, 3236569, 4161303, 4782393, 5086037, 9709707, 15258111, 29129121, 35602259, 45774333, 106806777, 320420331]

約数ペア:

[(1, 320420331), (3, 106806777), (7, 45774333), (9, 35602259), (11, 29129121), (21, 15258111), (33, 9709707), (63, 5086037), (67, 4782393), (77, 4161303), (99, 3236569), (103, 3110877), (201, 1594131), (231, 1387101), (309, 1036959), (469, 683199), (603, 531377), (693, 462367), (721, 444411), (737, 434763), (927, 345653), (1133, 282807), (1407, 227733), (2163, 148137), (2211, 144921), (3399, 94269), (4221, 75911), (4489, 71379), (5159, 62109), (6489, 49379), (6633, 48307), (6901, 46431), (7931, 40401), (10197, 31423), (13467, 23793), (15477, 20703)]