55171305

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:347

約数の個数: 72

約数和(自身を含む): 112679424

約数和(自身を除く): 57508119

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 131, 147, 191, 245, 315, 393, 441, 573, 655, 735, 917, 955, 1179, 1337, 1719, 1965, 2205, 2751, 2865, 4011, 4585, 5895, 6419, 6685, 8253, 8595, 9359, 12033, 13755, 19257, 20055, 25021, 28077, 32095, 41265, 46795, 57771, 60165, 75063, 84231, 96285, 125105, 140385, 175147, 225189, 288855, 375315, 421155, 525441, 875735, 1125945, 1226029, 1576323, 2627205, 3678087, 6130145, 7881615, 11034261, 18390435, 55171305]

約数ペア:

[(1, 55171305), (3, 18390435), (5, 11034261), (7, 7881615), (9, 6130145), (15, 3678087), (21, 2627205), (35, 1576323), (45, 1226029), (49, 1125945), (63, 875735), (105, 525441), (131, 421155), (147, 375315), (191, 288855), (245, 225189), (315, 175147), (393, 140385), (441, 125105), (573, 96285), (655, 84231), (735, 75063), (917, 60165), (955, 57771), (1179, 46795), (1337, 41265), (1719, 32095), (1965, 28077), (2205, 25021), (2751, 20055), (2865, 19257), (4011, 13755), (4585, 12033), (5895, 9359), (6419, 8595), (6685, 8253)]