81137925

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{32783}}^1$

素因数の和:32810

約数の個数: 36

約数和(自身を含む): 158543424

約数和(自身を除く): 77405499

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 32783, 98349, 163915, 295047, 360613, 491745, 819575, 1081839, 1475235, 1803065, 2458725, 3245517, 5409195, 7376175, 9015325, 16227585, 27045975, 81137925]

約数ペア:

[(1, 81137925), (3, 27045975), (5, 16227585), (9, 9015325), (11, 7376175), (15, 5409195), (25, 3245517), (33, 2458725), (45, 1803065), (55, 1475235), (75, 1081839), (99, 819575), (165, 491745), (225, 360613), (275, 295047), (495, 163915), (825, 98349), (2475, 32783)]