66528945

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:812

約数の個数: 80

約数和(自身を含む): 140878848

約数和(自身を除く): 74349903

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 31, 35, 45, 63, 81, 93, 105, 135, 155, 189, 217, 279, 315, 405, 465, 567, 651, 757, 837, 945, 1085, 1395, 1953, 2271, 2511, 2835, 3255, 3785, 4185, 5299, 5859, 6813, 9765, 11355, 12555, 15897, 17577, 20439, 23467, 26495, 29295, 34065, 47691, 61317, 70401, 79485, 87885, 102195, 117335, 143073, 164269, 211203, 238455, 306585, 352005, 429219, 492807, 633609, 715365, 821345, 1056015, 1478421, 1900827, 2146095, 2464035, 3168045, 4435263, 7392105, 9504135, 13305789, 22176315, 66528945]

約数ペア:

[(1, 66528945), (3, 22176315), (5, 13305789), (7, 9504135), (9, 7392105), (15, 4435263), (21, 3168045), (27, 2464035), (31, 2146095), (35, 1900827), (45, 1478421), (63, 1056015), (81, 821345), (93, 715365), (105, 633609), (135, 492807), (155, 429219), (189, 352005), (217, 306585), (279, 238455), (315, 211203), (405, 164269), (465, 143073), (567, 117335), (651, 102195), (757, 87885), (837, 79485), (945, 70401), (1085, 61317), (1395, 47691), (1953, 34065), (2271, 29295), (2511, 26495), (2835, 23467), (3255, 20439), (3785, 17577), (4185, 15897), (5299, 12555), (5859, 11355), (6813, 9765)]