31188495

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 56899584

約数和(自身を除く): 25711089

約数列:

[1, 3, 5, 13, 15, 39, 41, 47, 65, 83, 123, 141, 195, 205, 235, 249, 415, 533, 611, 615, 705, 1079, 1245, 1599, 1833, 1927, 2665, 3055, 3237, 3403, 3901, 5395, 5781, 7995, 9165, 9635, 10209, 11703, 16185, 17015, 19505, 25051, 28905, 44239, 50713, 51045, 58515, 75153, 125255, 132717, 152139, 159941, 221195, 253565, 375765, 479823, 663585, 760695, 799705, 2079233, 2399115, 6237699, 10396165, 31188495]

約数ペア:

[(1, 31188495), (3, 10396165), (5, 6237699), (13, 2399115), (15, 2079233), (39, 799705), (41, 760695), (47, 663585), (65, 479823), (83, 375765), (123, 253565), (141, 221195), (195, 159941), (205, 152139), (235, 132717), (249, 125255), (415, 75153), (533, 58515), (611, 51045), (615, 50713), (705, 44239), (1079, 28905), (1245, 25051), (1599, 19505), (1833, 17015), (1927, 16185), (2665, 11703), (3055, 10209), (3237, 9635), (3403, 9165), (3901, 7995), (5395, 5781)]