127789077

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{421}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 189245056

約数和(自身を除く): 61455979

約数列:

[1, 3, 13, 39, 43, 129, 181, 421, 543, 559, 1263, 1677, 2353, 5473, 7059, 7783, 16419, 18103, 23349, 54309, 76201, 101179, 228603, 235339, 303537, 706017, 990613, 2971839, 3276643, 9829929, 42596359, 127789077]

約数ペア:

[(1, 127789077), (3, 42596359), (13, 9829929), (39, 3276643), (43, 2971839), (129, 990613), (181, 706017), (421, 303537), (543, 235339), (559, 228603), (1263, 101179), (1677, 76201), (2353, 54309), (5473, 23349), (7059, 18103), (7783, 16419)]