20161386405

素因数分解:

$3^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1\times {\mathrm{3083}}^1$

素因数の和:3408

約数の個数: 80

約数和(自身を含む): 36844720704

約数和(自身を除く): 16683334299

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 81, 135, 201, 241, 335, 405, 603, 723, 1005, 1205, 1809, 2169, 3015, 3083, 3615, 5427, 6507, 9045, 9249, 10845, 15415, 16147, 19521, 27135, 27747, 32535, 46245, 48441, 80735, 83241, 97605, 138735, 145323, 206561, 242205, 249723, 416205, 435969, 619683, 726615, 743003, 1032805, 1248615, 1307907, 1859049, 2179845, 2229009, 3098415, 3715015, 5577147, 6539535, 6687027, 9295245, 11145045, 16731441, 20061081, 27885735, 33435135, 49781201, 60183243, 83657205, 100305405, 149343603, 248906005, 300916215, 448030809, 746718015, 1344092427, 2240154045, 4032277281, 6720462135, 20161386405]

約数ペア:

[(1, 20161386405), (3, 6720462135), (5, 4032277281), (9, 2240154045), (15, 1344092427), (27, 746718015), (45, 448030809), (67, 300916215), (81, 248906005), (135, 149343603), (201, 100305405), (241, 83657205), (335, 60183243), (405, 49781201), (603, 33435135), (723, 27885735), (1005, 20061081), (1205, 16731441), (1809, 11145045), (2169, 9295245), (3015, 6687027), (3083, 6539535), (3615, 5577147), (5427, 3715015), (6507, 3098415), (9045, 2229009), (9249, 2179845), (10845, 1859049), (15415, 1307907), (16147, 1248615), (19521, 1032805), (27135, 743003), (27747, 726615), (32535, 619683), (46245, 435969), (48441, 416205), (80735, 249723), (83241, 242205), (97605, 206561), (138735, 145323)]