64423395

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{499}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 118560000

約数和(自身を除く): 54136605

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 151, 171, 285, 453, 499, 755, 855, 1359, 1497, 2265, 2495, 2869, 4491, 6795, 7485, 8607, 9481, 14345, 22455, 25821, 28443, 43035, 47405, 75349, 85329, 129105, 142215, 226047, 376745, 426645, 678141, 1130235, 1431631, 3390705, 4294893, 7158155, 12884679, 21474465, 64423395]

約数ペア:

[(1, 64423395), (3, 21474465), (5, 12884679), (9, 7158155), (15, 4294893), (19, 3390705), (45, 1431631), (57, 1130235), (95, 678141), (151, 426645), (171, 376745), (285, 226047), (453, 142215), (499, 129105), (755, 85329), (855, 75349), (1359, 47405), (1497, 43035), (2265, 28443), (2495, 25821), (2869, 22455), (4491, 14345), (6795, 9481), (7485, 8607)]