266918169

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{641}}^1$

素因数の和:981

約数の個数: 32

約数和(自身を含む): 414167040

約数和(自身を除く): 147248871

約数列:

[1, 3, 7, 21, 79, 237, 251, 553, 641, 753, 1659, 1757, 1923, 4487, 5271, 13461, 19829, 50639, 59487, 138803, 151917, 160891, 354473, 416409, 482673, 1063419, 1126237, 3378711, 12710389, 38131167, 88972723, 266918169]

約数ペア:

[(1, 266918169), (3, 88972723), (7, 38131167), (21, 12710389), (79, 3378711), (237, 1126237), (251, 1063419), (553, 482673), (641, 416409), (753, 354473), (1659, 160891), (1757, 151917), (1923, 138803), (4487, 59487), (5271, 50639), (13461, 19829)]