25001613

素因数分解:

$3^2\times 7^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:136

約数の個数: 60

約数和(自身を含む): 45880380

約数和(自身を除く): 20878767

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 89, 91, 117, 147, 267, 273, 343, 441, 623, 637, 801, 819, 1029, 1157, 1869, 1911, 2401, 3087, 3471, 4361, 4459, 5607, 5733, 7203, 8099, 10413, 13083, 13377, 21609, 24297, 30527, 31213, 39249, 40131, 56693, 72891, 91581, 93639, 170079, 213689, 274743, 280917, 396851, 510237, 641067, 1190553, 1923201, 2777957, 3571659, 8333871, 25001613]

約数ペア:

[(1, 25001613), (3, 8333871), (7, 3571659), (9, 2777957), (13, 1923201), (21, 1190553), (39, 641067), (49, 510237), (63, 396851), (89, 280917), (91, 274743), (117, 213689), (147, 170079), (267, 93639), (273, 91581), (343, 72891), (441, 56693), (623, 40131), (637, 39249), (801, 31213), (819, 30527), (1029, 24297), (1157, 21609), (1869, 13377), (1911, 13083), (2401, 10413), (3087, 8099), (3471, 7203), (4361, 5733), (4459, 5607)]