81199695

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 138416256

約数和(自身を除く): 57216561

約数列:

[1, 3, 5, 15, 31, 43, 93, 129, 131, 155, 215, 393, 465, 645, 655, 961, 1333, 1965, 2883, 3999, 4061, 4805, 5633, 6665, 12183, 14415, 16899, 19995, 20305, 28165, 41323, 60915, 84495, 123969, 125891, 174623, 206615, 377673, 523869, 619845, 629455, 873115, 1888365, 2619345, 5413313, 16239939, 27066565, 81199695]

約数ペア:

[(1, 81199695), (3, 27066565), (5, 16239939), (15, 5413313), (31, 2619345), (43, 1888365), (93, 873115), (129, 629455), (131, 619845), (155, 523869), (215, 377673), (393, 206615), (465, 174623), (645, 125891), (655, 123969), (961, 84495), (1333, 60915), (1965, 41323), (2883, 28165), (3999, 20305), (4061, 19995), (4805, 16899), (5633, 14415), (6665, 12183)]