64728801

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:475

約数の個数: 40

約数和(自身を含む): 102859680

約数和(自身を除く): 38130879

約数列:

[1, 3, 9, 19, 27, 57, 81, 137, 171, 307, 411, 513, 921, 1233, 1539, 2603, 2763, 3699, 5833, 7809, 8289, 11097, 17499, 23427, 24867, 42059, 52497, 70281, 126177, 157491, 210843, 378531, 472473, 799121, 1135593, 2397363, 3406779, 7192089, 21576267, 64728801]

約数ペア:

[(1, 64728801), (3, 21576267), (9, 7192089), (19, 3406779), (27, 2397363), (57, 1135593), (81, 799121), (137, 472473), (171, 378531), (307, 210843), (411, 157491), (513, 126177), (921, 70281), (1233, 52497), (1539, 42059), (2603, 24867), (2763, 23427), (3699, 17499), (5833, 11097), (7809, 8289)]