321672555

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{2113}}^1$

素因数の和:2340

約数の個数: 48

約数和(自身を含む): 593611200

約数和(自身を除く): 271938645

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 199, 255, 597, 765, 995, 1791, 2113, 2985, 3383, 6339, 8955, 10149, 10565, 16915, 19017, 30447, 31695, 35921, 50745, 95085, 107763, 152235, 179605, 323289, 420487, 538815, 1261461, 1616445, 2102435, 3784383, 6307305, 7148279, 18921915, 21444837, 35741395, 64334511, 107224185, 321672555]

約数ペア:

[(1, 321672555), (3, 107224185), (5, 64334511), (9, 35741395), (15, 21444837), (17, 18921915), (45, 7148279), (51, 6307305), (85, 3784383), (153, 2102435), (199, 1616445), (255, 1261461), (597, 538815), (765, 420487), (995, 323289), (1791, 179605), (2113, 152235), (2985, 107763), (3383, 95085), (6339, 50745), (8955, 35921), (10149, 31695), (10565, 30447), (16915, 19017)]