15961995

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:174

約数の個数: 96

約数和(自身を含む): 35020800

約数和(自身を除く): 19058805

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 45, 49, 57, 63, 95, 105, 127, 133, 135, 147, 171, 189, 245, 285, 315, 381, 399, 441, 513, 635, 665, 735, 855, 889, 931, 945, 1143, 1197, 1323, 1905, 1995, 2205, 2413, 2565, 2667, 2793, 3429, 3591, 4445, 4655, 5715, 5985, 6223, 6615, 7239, 8001, 8379, 12065, 13335, 13965, 16891, 17145, 17955, 18669, 21717, 24003, 25137, 31115, 36195, 40005, 41895, 50673, 56007, 65151, 84455, 93345, 108585, 118237, 120015, 125685, 152019, 168021, 253365, 280035, 325755, 354711, 456057, 591185, 760095, 840105, 1064133, 1773555, 2280285, 3192399, 5320665, 15961995]

約数ペア:

[(1, 15961995), (3, 5320665), (5, 3192399), (7, 2280285), (9, 1773555), (15, 1064133), (19, 840105), (21, 760095), (27, 591185), (35, 456057), (45, 354711), (49, 325755), (57, 280035), (63, 253365), (95, 168021), (105, 152019), (127, 125685), (133, 120015), (135, 118237), (147, 108585), (171, 93345), (189, 84455), (245, 65151), (285, 56007), (315, 50673), (381, 41895), (399, 40005), (441, 36195), (513, 31115), (635, 25137), (665, 24003), (735, 21717), (855, 18669), (889, 17955), (931, 17145), (945, 16891), (1143, 13965), (1197, 13335), (1323, 12065), (1905, 8379), (1995, 8001), (2205, 7239), (2413, 6615), (2565, 6223), (2667, 5985), (2793, 5715), (3429, 4655), (3591, 4445)]