319885281

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{641}}^1$

素因数の和:815

約数の個数: 40

約数和(自身を含む): 491260968

約数和(自身を除く): 171375687

約数列:

[1, 3, 9, 27, 61, 81, 101, 183, 303, 549, 641, 909, 1647, 1923, 2727, 4941, 5769, 6161, 8181, 17307, 18483, 39101, 51921, 55449, 64741, 117303, 166347, 194223, 351909, 499041, 582669, 1055727, 1748007, 3167181, 3949201, 5244021, 11847603, 35542809, 106628427, 319885281]

約数ペア:

[(1, 319885281), (3, 106628427), (9, 35542809), (27, 11847603), (61, 5244021), (81, 3949201), (101, 3167181), (183, 1748007), (303, 1055727), (549, 582669), (641, 499041), (909, 351909), (1647, 194223), (1923, 166347), (2727, 117303), (4941, 64741), (5769, 55449), (6161, 51921), (8181, 39101), (17307, 18483)]