156973905

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 302754816

約数和(自身を除く): 145780911

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 121, 127, 165, 227, 363, 381, 495, 605, 635, 681, 1089, 1135, 1143, 1397, 1815, 1905, 2043, 2497, 3405, 4191, 5445, 5715, 6985, 7491, 10215, 12485, 12573, 15367, 20955, 22473, 27467, 28829, 37455, 46101, 62865, 76835, 82401, 86487, 112365, 137335, 138303, 144145, 230505, 247203, 259461, 317119, 412005, 432435, 691515, 951357, 1236015, 1297305, 1585595, 2854071, 3488309, 4756785, 10464927, 14270355, 17441545, 31394781, 52324635, 156973905]

約数ペア:

[(1, 156973905), (3, 52324635), (5, 31394781), (9, 17441545), (11, 14270355), (15, 10464927), (33, 4756785), (45, 3488309), (55, 2854071), (99, 1585595), (121, 1297305), (127, 1236015), (165, 951357), (227, 691515), (363, 432435), (381, 412005), (495, 317119), (605, 259461), (635, 247203), (681, 230505), (1089, 144145), (1135, 138303), (1143, 137335), (1397, 112365), (1815, 86487), (1905, 82401), (2043, 76835), (2497, 62865), (3405, 46101), (4191, 37455), (5445, 28829), (5715, 27467), (6985, 22473), (7491, 20955), (10215, 15367), (12485, 12573)]