131313307581

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{256561}}^1$

素因数の和:256686

約数の個数: 48

約数和(自身を含む): 205321437360

約数和(自身を除く): 74008129779

約数列:

[1, 3, 9, 29, 37, 53, 87, 111, 159, 261, 333, 477, 1073, 1537, 1961, 3219, 4611, 5883, 9657, 13833, 17649, 56869, 170607, 256561, 511821, 769683, 2309049, 7440269, 9492757, 13597733, 22320807, 28478271, 40793199, 66962421, 85434813, 122379597, 275289953, 394334257, 503116121, 825869859, 1183002771, 1509348363, 2477609577, 3549008313, 4528045089, 14590367509, 43771102527, 131313307581]

約数ペア:

[(1, 131313307581), (3, 43771102527), (9, 14590367509), (29, 4528045089), (37, 3549008313), (53, 2477609577), (87, 1509348363), (111, 1183002771), (159, 825869859), (261, 503116121), (333, 394334257), (477, 275289953), (1073, 122379597), (1537, 85434813), (1961, 66962421), (3219, 40793199), (4611, 28478271), (5883, 22320807), (9657, 13597733), (13833, 9492757), (17649, 7440269), (56869, 2309049), (170607, 769683), (256561, 511821)]