25857225

素因数分解:

$3^4\times 5^2\times {\mathrm{113}}^2$

素因数の和:248

約数の個数: 45

約数和(自身を含む): 48324133

約数和(自身を除く): 22466908

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 113, 135, 225, 339, 405, 565, 675, 1017, 1695, 2025, 2825, 3051, 5085, 8475, 9153, 12769, 15255, 25425, 38307, 45765, 63845, 76275, 114921, 191535, 228825, 319225, 344763, 574605, 957675, 1034289, 1723815, 2873025, 5171445, 8619075, 25857225]

約数ペア:

[(1, 25857225), (3, 8619075), (5, 5171445), (9, 2873025), (15, 1723815), (25, 1034289), (27, 957675), (45, 574605), (75, 344763), (81, 319225), (113, 228825), (135, 191535), (225, 114921), (339, 76275), (405, 63845), (565, 45765), (675, 38307), (1017, 25425), (1695, 15255), (2025, 12769), (2825, 9153), (3051, 8475)]