27875757

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{503}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 48263040

約数和(自身を除く): 20387283

約数列:

[1, 3, 7, 13, 21, 29, 39, 49, 87, 91, 147, 203, 273, 377, 503, 609, 637, 1131, 1421, 1509, 1911, 2639, 3521, 4263, 6539, 7917, 10563, 14587, 18473, 19617, 24647, 43761, 45773, 55419, 73941, 102109, 137319, 189631, 306327, 320411, 568893, 714763, 961233, 1327417, 2144289, 3982251, 9291919, 27875757]

約数ペア:

[(1, 27875757), (3, 9291919), (7, 3982251), (13, 2144289), (21, 1327417), (29, 961233), (39, 714763), (49, 568893), (87, 320411), (91, 306327), (147, 189631), (203, 137319), (273, 102109), (377, 73941), (503, 55419), (609, 45773), (637, 43761), (1131, 24647), (1421, 19617), (1509, 18473), (1911, 14587), (2639, 10563), (3521, 7917), (4263, 6539)]