81015231

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 120637440

約数和(自身を除く): 39622209

約数列:

[1, 3, 11, 33, 101, 109, 223, 303, 327, 669, 1111, 1199, 2453, 3333, 3597, 7359, 11009, 22523, 24307, 33027, 67569, 72921, 121099, 247753, 267377, 363297, 743259, 802131, 2455007, 7365021, 27005077, 81015231]

約数ペア:

[(1, 81015231), (3, 27005077), (11, 7365021), (33, 2455007), (101, 802131), (109, 743259), (223, 363297), (303, 267377), (327, 247753), (669, 121099), (1111, 72921), (1199, 67569), (2453, 33027), (3333, 24307), (3597, 22523), (7359, 11009)]