155512821

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{569}}^1$

素因数の和:845

約数の個数: 32

約数和(自身を含む): 230480640

約数和(自身を除く): 74967819

約数列:

[1, 3, 17, 23, 51, 69, 233, 391, 569, 699, 1173, 1707, 3961, 5359, 9673, 11883, 13087, 16077, 29019, 39261, 91103, 132577, 222479, 273309, 397731, 667437, 2253809, 3049271, 6761427, 9147813, 51837607, 155512821]

約数ペア:

[(1, 155512821), (3, 51837607), (17, 9147813), (23, 6761427), (51, 3049271), (69, 2253809), (233, 667437), (391, 397731), (569, 273309), (699, 222479), (1173, 132577), (1707, 91103), (3961, 39261), (5359, 29019), (9673, 16077), (11883, 13087)]