25681929

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 43666560

約数和(自身を除く): 17984631

約数列:

[1, 3, 7, 13, 21, 39, 49, 89, 91, 147, 151, 267, 273, 453, 623, 637, 1057, 1157, 1869, 1911, 1963, 3171, 3471, 4361, 5889, 7399, 8099, 13083, 13439, 13741, 22197, 24297, 40317, 41223, 56693, 94073, 96187, 170079, 174707, 282219, 288561, 524121, 658511, 1222949, 1975533, 3668847, 8560643, 25681929]

約数ペア:

[(1, 25681929), (3, 8560643), (7, 3668847), (13, 1975533), (21, 1222949), (39, 658511), (49, 524121), (89, 288561), (91, 282219), (147, 174707), (151, 170079), (267, 96187), (273, 94073), (453, 56693), (623, 41223), (637, 40317), (1057, 24297), (1157, 22197), (1869, 13741), (1911, 13439), (1963, 13083), (3171, 8099), (3471, 7399), (4361, 5889)]