71318205

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{463}}^1$

素因数の和:647

約数の個数: 64

約数和(自身を含む): 146104320

約数和(自身を除く): 74786115

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 163, 189, 315, 463, 489, 815, 945, 1141, 1389, 1467, 2315, 2445, 3241, 3423, 4167, 4401, 5705, 6945, 7335, 9723, 10269, 12501, 16205, 17115, 20835, 22005, 29169, 30807, 48615, 51345, 62505, 75469, 87507, 145845, 154035, 226407, 377345, 437535, 528283, 679221, 1132035, 1584849, 2037663, 2641415, 3396105, 4754547, 7924245, 10188315, 14263641, 23772735, 71318205]

約数ペア:

[(1, 71318205), (3, 23772735), (5, 14263641), (7, 10188315), (9, 7924245), (15, 4754547), (21, 3396105), (27, 2641415), (35, 2037663), (45, 1584849), (63, 1132035), (105, 679221), (135, 528283), (163, 437535), (189, 377345), (315, 226407), (463, 154035), (489, 145845), (815, 87507), (945, 75469), (1141, 62505), (1389, 51345), (1467, 48615), (2315, 30807), (2445, 29169), (3241, 22005), (3423, 20835), (4167, 17115), (4401, 16205), (5705, 12501), (6945, 10269), (7335, 9723)]