213779601

素因数分解:

$3^3\times 7^2\times {\mathrm{349}}^1\times {\mathrm{463}}^1$

素因数の和:835

約数の個数: 48

約数和(自身を含む): 370272000

約数和(自身を除く): 156492399

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 349, 441, 463, 1047, 1323, 1389, 2443, 3141, 3241, 4167, 7329, 9423, 9723, 12501, 17101, 21987, 22687, 29169, 51303, 65961, 68061, 87507, 153909, 161587, 204183, 461727, 484761, 612549, 1131109, 1454283, 3393327, 4362849, 7917763, 10179981, 23753289, 30539943, 71259867, 213779601]

約数ペア:

[(1, 213779601), (3, 71259867), (7, 30539943), (9, 23753289), (21, 10179981), (27, 7917763), (49, 4362849), (63, 3393327), (147, 1454283), (189, 1131109), (349, 612549), (441, 484761), (463, 461727), (1047, 204183), (1323, 161587), (1389, 153909), (2443, 87507), (3141, 68061), (3241, 65961), (4167, 51303), (7329, 29169), (9423, 22687), (9723, 21987), (12501, 17101)]