678907593

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1499}}^1$

素因数の和:1611

約数の個数: 72

約数和(自身を含む): 1244880000

約数和(自身を除く): 565972407

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 79, 91, 117, 147, 237, 273, 441, 553, 637, 711, 819, 1027, 1499, 1659, 1911, 3081, 3871, 4497, 4977, 5733, 7189, 9243, 10493, 11613, 13491, 19487, 21567, 31479, 34839, 50323, 58461, 64701, 73451, 94437, 118421, 136409, 150969, 175383, 220353, 355263, 409227, 452907, 661059, 828947, 954863, 1065789, 1227681, 1539473, 2486841, 2864589, 4618419, 5802629, 7460523, 8593767, 10776311, 13855257, 17407887, 32328933, 52223661, 75434177, 96986799, 226302531, 678907593]

約数ペア:

[(1, 678907593), (3, 226302531), (7, 96986799), (9, 75434177), (13, 52223661), (21, 32328933), (39, 17407887), (49, 13855257), (63, 10776311), (79, 8593767), (91, 7460523), (117, 5802629), (147, 4618419), (237, 2864589), (273, 2486841), (441, 1539473), (553, 1227681), (637, 1065789), (711, 954863), (819, 828947), (1027, 661059), (1499, 452907), (1659, 409227), (1911, 355263), (3081, 220353), (3871, 175383), (4497, 150969), (4977, 136409), (5733, 118421), (7189, 94437), (9243, 73451), (10493, 64701), (11613, 58461), (13491, 50323), (19487, 34839), (21567, 31479)]