203884155

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{787}}^1$

素因数の和:921

約数の個数: 64

約数和(自身を含む): 385804800

約数和(自身を除く): 181920645

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 101, 135, 171, 285, 303, 505, 513, 787, 855, 909, 1515, 1919, 2361, 2565, 2727, 3935, 4545, 5757, 7083, 9595, 11805, 13635, 14953, 17271, 21249, 28785, 35415, 44859, 51813, 74765, 79487, 86355, 106245, 134577, 224295, 238461, 259065, 397435, 403731, 672885, 715383, 1192305, 1510253, 2018655, 2146149, 3576915, 4530759, 7551265, 10730745, 13592277, 22653795, 40776831, 67961385, 203884155]

約数ペア:

[(1, 203884155), (3, 67961385), (5, 40776831), (9, 22653795), (15, 13592277), (19, 10730745), (27, 7551265), (45, 4530759), (57, 3576915), (95, 2146149), (101, 2018655), (135, 1510253), (171, 1192305), (285, 715383), (303, 672885), (505, 403731), (513, 397435), (787, 259065), (855, 238461), (909, 224295), (1515, 134577), (1919, 106245), (2361, 86355), (2565, 79487), (2727, 74765), (3935, 51813), (4545, 44859), (5757, 35415), (7083, 28785), (9595, 21249), (11805, 17271), (13635, 14953)]