138784185

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:404

約数の個数: 80

約数和(自身を含む): 265959936

約数和(自身を除く): 127175751

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 47, 69, 81, 115, 135, 141, 207, 235, 317, 345, 405, 423, 621, 705, 951, 1035, 1081, 1269, 1585, 1863, 2115, 2853, 3105, 3243, 3807, 4755, 5405, 6345, 7291, 8559, 9315, 9729, 14265, 14899, 16215, 19035, 21873, 25677, 29187, 36455, 42795, 44697, 48645, 65619, 74495, 87561, 109365, 128385, 134091, 145935, 196857, 223485, 328095, 342677, 402273, 437805, 590571, 670455, 984285, 1028031, 1206819, 1713385, 2011365, 2952855, 3084093, 5140155, 6034095, 9252279, 15420465, 27756837, 46261395, 138784185]

約数ペア:

[(1, 138784185), (3, 46261395), (5, 27756837), (9, 15420465), (15, 9252279), (23, 6034095), (27, 5140155), (45, 3084093), (47, 2952855), (69, 2011365), (81, 1713385), (115, 1206819), (135, 1028031), (141, 984285), (207, 670455), (235, 590571), (317, 437805), (345, 402273), (405, 342677), (423, 328095), (621, 223485), (705, 196857), (951, 145935), (1035, 134091), (1081, 128385), (1269, 109365), (1585, 87561), (1863, 74495), (2115, 65619), (2853, 48645), (3105, 44697), (3243, 42795), (3807, 36455), (4755, 29187), (5405, 25677), (6345, 21873), (7291, 19035), (8559, 16215), (9315, 14899), (9729, 14265)]