31228305

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 54132480

約数和(自身を除く): 22904175

約数列:

[1, 3, 5, 15, 19, 57, 73, 79, 95, 219, 237, 285, 361, 365, 395, 1083, 1095, 1185, 1387, 1501, 1805, 4161, 4503, 5415, 5767, 6935, 7505, 17301, 20805, 22515, 26353, 28519, 28835, 79059, 85557, 86505, 109573, 131765, 142595, 328719, 395295, 427785, 547865, 1643595, 2081887, 6245661, 10409435, 31228305]

約数ペア:

[(1, 31228305), (3, 10409435), (5, 6245661), (15, 2081887), (19, 1643595), (57, 547865), (73, 427785), (79, 395295), (95, 328719), (219, 142595), (237, 131765), (285, 109573), (361, 86505), (365, 85557), (395, 79059), (1083, 28835), (1095, 28519), (1185, 26353), (1387, 22515), (1501, 20805), (1805, 17301), (4161, 7505), (4503, 6935), (5415, 5767)]