38984421

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{383}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 61636608

約数和(自身を除く): 22652187

約数列:

[1, 3, 7, 21, 37, 111, 131, 259, 383, 393, 777, 917, 1149, 2681, 2751, 4847, 8043, 14171, 14541, 33929, 42513, 50173, 99197, 101787, 150519, 297591, 351211, 1053633, 1856401, 5569203, 12994807, 38984421]

約数ペア:

[(1, 38984421), (3, 12994807), (7, 5569203), (21, 1856401), (37, 1053633), (111, 351211), (131, 297591), (259, 150519), (383, 101787), (393, 99197), (777, 50173), (917, 42513), (1149, 33929), (2681, 14541), (2751, 14171), (4847, 8043)]