278550285

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{9587}}^1$

素因数の和:9757

約数の個数: 32

約数和(自身を含む): 483235200

約数和(自身を除く): 204684915

約数列:

[1, 3, 5, 13, 15, 39, 65, 149, 195, 447, 745, 1937, 2235, 5811, 9587, 9685, 28761, 29055, 47935, 124631, 143805, 373893, 623155, 1428463, 1869465, 4285389, 7142315, 18570019, 21426945, 55710057, 92850095, 278550285]

約数ペア:

[(1, 278550285), (3, 92850095), (5, 55710057), (13, 21426945), (15, 18570019), (39, 7142315), (65, 4285389), (149, 1869465), (195, 1428463), (447, 623155), (745, 373893), (1937, 143805), (2235, 124631), (5811, 47935), (9587, 29055), (9685, 28761)]