47949447

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 83349504

約数和(自身を除く): 35400057

約数列:

[1, 3, 7, 13, 21, 37, 39, 47, 91, 101, 111, 141, 259, 273, 303, 329, 481, 611, 707, 777, 987, 1313, 1443, 1739, 1833, 2121, 3367, 3737, 3939, 4277, 4747, 5217, 9191, 10101, 11211, 12173, 12831, 14241, 22607, 26159, 27573, 33229, 36519, 48581, 61711, 67821, 78477, 99687, 145743, 158249, 175639, 185133, 340067, 431977, 474747, 526917, 1020201, 1229473, 1295931, 2283307, 3688419, 6849921, 15983149, 47949447]

約数ペア:

[(1, 47949447), (3, 15983149), (7, 6849921), (13, 3688419), (21, 2283307), (37, 1295931), (39, 1229473), (47, 1020201), (91, 526917), (101, 474747), (111, 431977), (141, 340067), (259, 185133), (273, 175639), (303, 158249), (329, 145743), (481, 99687), (611, 78477), (707, 67821), (777, 61711), (987, 48581), (1313, 36519), (1443, 33229), (1739, 27573), (1833, 26159), (2121, 22607), (3367, 14241), (3737, 12831), (3939, 12173), (4277, 11211), (4747, 10101), (5217, 9191)]