72638433

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{9689}}^1$

素因数の和:9726

約数の個数: 36

約数和(自身を含む): 129245220

約数和(自身を除く): 56606787

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 357, 441, 833, 1071, 2499, 7497, 9689, 29067, 67823, 87201, 164713, 203469, 474761, 494139, 610407, 1152991, 1424283, 1482417, 3458973, 4272849, 8070937, 10376919, 24212811, 72638433]

約数ペア:

[(1, 72638433), (3, 24212811), (7, 10376919), (9, 8070937), (17, 4272849), (21, 3458973), (49, 1482417), (51, 1424283), (63, 1152991), (119, 610407), (147, 494139), (153, 474761), (357, 203469), (441, 164713), (833, 87201), (1071, 67823), (2499, 29067), (7497, 9689)]