13781577

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 21012480

約数和(自身を除く): 7230903

約数列:

[1, 3, 17, 23, 31, 51, 69, 93, 379, 391, 527, 713, 1137, 1173, 1581, 2139, 6443, 8717, 11749, 12121, 19329, 26151, 35247, 36363, 148189, 199733, 270227, 444567, 599199, 810681, 4593859, 13781577]

約数ペア:

[(1, 13781577), (3, 4593859), (17, 810681), (23, 599199), (31, 444567), (51, 270227), (69, 199733), (93, 148189), (379, 36363), (391, 35247), (527, 26151), (713, 19329), (1137, 12121), (1173, 11749), (1581, 8717), (2139, 6443)]