1020681921

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{509}}^1$

素因数の和:714

約数の個数: 64

約数和(自身を含む): 1702632960

約数和(自身を除く): 681951039

約数列:

[1, 3, 7, 17, 21, 41, 51, 119, 123, 137, 287, 357, 411, 509, 697, 861, 959, 1527, 2091, 2329, 2877, 3563, 4879, 5617, 6987, 8653, 10689, 14637, 16303, 16851, 20869, 25959, 39319, 48909, 60571, 62607, 69733, 95489, 117957, 146083, 181713, 209199, 286467, 354773, 438249, 488131, 668423, 1064319, 1185461, 1464393, 2005269, 2483411, 2859053, 3556383, 7450233, 8298227, 8577159, 20013371, 24894681, 48603901, 60040113, 145811703, 340227307, 1020681921]

約数ペア:

[(1, 1020681921), (3, 340227307), (7, 145811703), (17, 60040113), (21, 48603901), (41, 24894681), (51, 20013371), (119, 8577159), (123, 8298227), (137, 7450233), (287, 3556383), (357, 2859053), (411, 2483411), (509, 2005269), (697, 1464393), (861, 1185461), (959, 1064319), (1527, 668423), (2091, 488131), (2329, 438249), (2877, 354773), (3563, 286467), (4879, 209199), (5617, 181713), (6987, 146083), (8653, 117957), (10689, 95489), (14637, 69733), (16303, 62607), (16851, 60571), (20869, 48909), (25959, 39319)]