81692775

素因数分解:

$3^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{3331}}^1$

素因数の和:3456

約数の個数: 36

約数和(自身を含む): 147707560

約数和(自身を除く): 66014785

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 109, 225, 327, 545, 981, 1635, 2725, 3331, 4905, 8175, 9993, 16655, 24525, 29979, 49965, 83275, 149895, 249825, 363079, 749475, 1089237, 1815395, 3267711, 5446185, 9076975, 16338555, 27230925, 81692775]

約数ペア:

[(1, 81692775), (3, 27230925), (5, 16338555), (9, 9076975), (15, 5446185), (25, 3267711), (45, 1815395), (75, 1089237), (109, 749475), (225, 363079), (327, 249825), (545, 149895), (981, 83275), (1635, 49965), (2725, 29979), (3331, 24525), (4905, 16655), (8175, 9993)]