261128085

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{14281}}^1$

素因数の和:14365

約数の個数: 32

約数和(自身を含む): 444227328

約数和(自身を除く): 183099243

約数列:

[1, 3, 5, 15, 23, 53, 69, 115, 159, 265, 345, 795, 1219, 3657, 6095, 14281, 18285, 42843, 71405, 214215, 328463, 756893, 985389, 1642315, 2270679, 3784465, 4926945, 11353395, 17408539, 52225617, 87042695, 261128085]

約数ペア:

[(1, 261128085), (3, 87042695), (5, 52225617), (15, 17408539), (23, 11353395), (53, 4926945), (69, 3784465), (115, 2270679), (159, 1642315), (265, 985389), (345, 756893), (795, 328463), (1219, 214215), (3657, 71405), (6095, 42843), (14281, 18285)]