28103553

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{719}}^1$

素因数の和:869

約数の個数: 24

約数和(自身を含む): 42007680

約数和(自身を除く): 13904127

約数列:

[1, 3, 9, 43, 101, 129, 303, 387, 719, 909, 2157, 4343, 6471, 13029, 30917, 39087, 72619, 92751, 217857, 278253, 653571, 3122617, 9367851, 28103553]

約数ペア:

[(1, 28103553), (3, 9367851), (9, 3122617), (43, 653571), (101, 278253), (129, 217857), (303, 92751), (387, 72619), (719, 39087), (909, 30917), (2157, 13029), (4343, 6471)]