81934395

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 145096704

約数和(自身を除く): 63162309

約数列:

[1, 3, 5, 15, 23, 31, 47, 69, 93, 115, 141, 155, 163, 235, 345, 465, 489, 705, 713, 815, 1081, 1457, 2139, 2445, 3243, 3565, 3749, 4371, 5053, 5405, 7285, 7661, 10695, 11247, 15159, 16215, 18745, 21855, 22983, 25265, 33511, 38305, 56235, 75795, 100533, 114915, 116219, 167555, 176203, 237491, 348657, 502665, 528609, 581095, 712473, 881015, 1187455, 1743285, 2643045, 3562365, 5462293, 16386879, 27311465, 81934395]

約数ペア:

[(1, 81934395), (3, 27311465), (5, 16386879), (15, 5462293), (23, 3562365), (31, 2643045), (47, 1743285), (69, 1187455), (93, 881015), (115, 712473), (141, 581095), (155, 528609), (163, 502665), (235, 348657), (345, 237491), (465, 176203), (489, 167555), (705, 116219), (713, 114915), (815, 100533), (1081, 75795), (1457, 56235), (2139, 38305), (2445, 33511), (3243, 25265), (3565, 22983), (3749, 21855), (4371, 18745), (5053, 16215), (5405, 15159), (7285, 11247), (7661, 10695)]