42961009

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 55494656

約数和(自身を除く): 12533647

約数列:

[1, 7, 13, 31, 91, 97, 157, 217, 403, 679, 1099, 1261, 2041, 2821, 3007, 4867, 8827, 14287, 15229, 21049, 34069, 39091, 63271, 106603, 197977, 273637, 442897, 472099, 1385839, 3304693, 6137287, 42961009]

約数ペア:

[(1, 42961009), (7, 6137287), (13, 3304693), (31, 1385839), (91, 472099), (97, 442897), (157, 273637), (217, 197977), (403, 106603), (679, 63271), (1099, 39091), (1261, 34069), (2041, 21049), (2821, 15229), (3007, 14287), (4867, 8827)]