73775745

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 136857600

約数和(自身を除く): 63081855

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 71, 129, 135, 179, 213, 215, 355, 387, 537, 639, 645, 895, 1065, 1161, 1611, 1917, 1935, 2685, 3053, 3195, 4833, 5805, 7697, 8055, 9159, 9585, 12709, 15265, 23091, 24165, 27477, 38127, 38485, 45795, 63545, 69273, 82431, 114381, 115455, 137385, 190635, 207819, 343143, 346365, 412155, 546487, 571905, 1039095, 1639461, 1715715, 2732435, 4918383, 8197305, 14755149, 24591915, 73775745]

約数ペア:

[(1, 73775745), (3, 24591915), (5, 14755149), (9, 8197305), (15, 4918383), (27, 2732435), (43, 1715715), (45, 1639461), (71, 1039095), (129, 571905), (135, 546487), (179, 412155), (213, 346365), (215, 343143), (355, 207819), (387, 190635), (537, 137385), (639, 115455), (645, 114381), (895, 82431), (1065, 69273), (1161, 63545), (1611, 45795), (1917, 38485), (1935, 38127), (2685, 27477), (3053, 24165), (3195, 23091), (4833, 15265), (5805, 12709), (7697, 9585), (8055, 9159)]