1388249037

素因数分解:

$3^5\times 7^2\times {\mathrm{31}}^1\times {\mathrm{3761}}^1$

素因数の和:3821

約数の個数: 72

約数和(自身を含む): 2497727232

約数和(自身を除く): 1109478195

約数列:

[1, 3, 7, 9, 21, 27, 31, 49, 63, 81, 93, 147, 189, 217, 243, 279, 441, 567, 651, 837, 1323, 1519, 1701, 1953, 2511, 3761, 3969, 4557, 5859, 7533, 11283, 11907, 13671, 17577, 26327, 33849, 41013, 52731, 78981, 101547, 116591, 123039, 184289, 236943, 304641, 349773, 369117, 552867, 710829, 816137, 913923, 1049319, 1658601, 2132487, 2448411, 3147957, 4975803, 5712959, 6397461, 7345233, 9443871, 14927409, 17138877, 22035699, 28331613, 44782227, 51416631, 66107097, 154249893, 198321291, 462749679, 1388249037]

約数ペア:

[(1, 1388249037), (3, 462749679), (7, 198321291), (9, 154249893), (21, 66107097), (27, 51416631), (31, 44782227), (49, 28331613), (63, 22035699), (81, 17138877), (93, 14927409), (147, 9443871), (189, 7345233), (217, 6397461), (243, 5712959), (279, 4975803), (441, 3147957), (567, 2448411), (651, 2132487), (837, 1658601), (1323, 1049319), (1519, 913923), (1701, 816137), (1953, 710829), (2511, 552867), (3761, 369117), (3969, 349773), (4557, 304641), (5859, 236943), (7533, 184289), (11283, 123039), (11907, 116591), (13671, 101547), (17577, 78981), (26327, 52731), (33849, 41013)]