2178491877

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1\times {\mathrm{617}}^1$

素因数の和:1178

約数の個数: 48

約数和(自身を含む): 3415156992

約数和(自身を除く): 1236665115

約数列:

[1, 3, 9, 17, 47, 51, 141, 153, 423, 491, 617, 799, 1473, 1851, 2397, 4419, 5553, 7191, 8347, 10489, 23077, 25041, 28999, 31467, 69231, 75123, 86997, 94401, 207693, 260991, 302947, 392309, 492983, 908841, 1176927, 1478949, 2726523, 3530781, 4436847, 5150099, 14238509, 15450297, 42715527, 46350891, 128146581, 242054653, 726163959, 2178491877]

約数ペア:

[(1, 2178491877), (3, 726163959), (9, 242054653), (17, 128146581), (47, 46350891), (51, 42715527), (141, 15450297), (153, 14238509), (423, 5150099), (491, 4436847), (617, 3530781), (799, 2726523), (1473, 1478949), (1851, 1176927), (2397, 908841), (4419, 492983), (5553, 392309), (7191, 302947), (8347, 260991), (10489, 207693), (23077, 94401), (25041, 86997), (28999, 75123), (31467, 69231)]