201859971

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{499}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 291840000

約数和(自身を除く): 89980029

約数列:

[1, 3, 19, 47, 57, 141, 151, 453, 499, 893, 1497, 2679, 2869, 7097, 8607, 9481, 21291, 23453, 28443, 70359, 75349, 134843, 226047, 404529, 445607, 1336821, 1431631, 3541403, 4294893, 10624209, 67286657, 201859971]

約数ペア:

[(1, 201859971), (3, 67286657), (19, 10624209), (47, 4294893), (57, 3541403), (141, 1431631), (151, 1336821), (453, 445607), (499, 404529), (893, 226047), (1497, 134843), (2679, 75349), (2869, 70359), (7097, 28443), (8607, 23453), (9481, 21291)]