203921955

素因数分解:

$3^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3571}}^1$

素因数の和:3638

約数の個数: 48

約数和(自身を含む): 374459904

約数和(自身を除く): 170537949

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 235, 243, 405, 423, 705, 1215, 1269, 2115, 3571, 3807, 6345, 10713, 11421, 17855, 19035, 32139, 53565, 57105, 96417, 160695, 167837, 289251, 482085, 503511, 839185, 867753, 1446255, 1510533, 2517555, 4338765, 4531599, 7552665, 13594797, 22657995, 40784391, 67973985, 203921955]

約数ペア:

[(1, 203921955), (3, 67973985), (5, 40784391), (9, 22657995), (15, 13594797), (27, 7552665), (45, 4531599), (47, 4338765), (81, 2517555), (135, 1510533), (141, 1446255), (235, 867753), (243, 839185), (405, 503511), (423, 482085), (705, 289251), (1215, 167837), (1269, 160695), (2115, 96417), (3571, 57105), (3807, 53565), (6345, 32139), (10713, 19035), (11421, 17855)]