31305015

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 64312320

約数和(自身を除く): 33007305

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 157, 189, 211, 315, 471, 633, 785, 945, 1055, 1099, 1413, 1477, 1899, 2355, 3165, 3297, 4239, 4431, 5495, 5697, 7065, 7385, 9495, 9891, 13293, 16485, 21195, 22155, 28485, 29673, 33127, 39879, 49455, 66465, 99381, 148365, 165635, 199395, 231889, 298143, 496905, 695667, 894429, 1159445, 1490715, 2087001, 3478335, 4472145, 6261003, 10435005, 31305015]

約数ペア:

[(1, 31305015), (3, 10435005), (5, 6261003), (7, 4472145), (9, 3478335), (15, 2087001), (21, 1490715), (27, 1159445), (35, 894429), (45, 695667), (63, 496905), (105, 298143), (135, 231889), (157, 199395), (189, 165635), (211, 148365), (315, 99381), (471, 66465), (633, 49455), (785, 39879), (945, 33127), (1055, 29673), (1099, 28485), (1413, 22155), (1477, 21195), (1899, 16485), (2355, 13293), (3165, 9891), (3297, 9495), (4239, 7385), (4431, 7065), (5495, 5697)]