27961065

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1035

約数の個数: 64

約数和(自身を含む): 57139200

約数和(自身を除く): 29178135

約数列:

[1, 3, 5, 9, 11, 15, 19, 27, 33, 45, 55, 57, 95, 99, 135, 165, 171, 209, 285, 297, 495, 513, 627, 855, 991, 1045, 1485, 1881, 2565, 2973, 3135, 4955, 5643, 8919, 9405, 10901, 14865, 18829, 26757, 28215, 32703, 44595, 54505, 56487, 94145, 98109, 133785, 163515, 169461, 207119, 282435, 294327, 490545, 508383, 621357, 847305, 1035595, 1471635, 1864071, 2541915, 3106785, 5592213, 9320355, 27961065]

約数ペア:

[(1, 27961065), (3, 9320355), (5, 5592213), (9, 3106785), (11, 2541915), (15, 1864071), (19, 1471635), (27, 1035595), (33, 847305), (45, 621357), (55, 508383), (57, 490545), (95, 294327), (99, 282435), (135, 207119), (165, 169461), (171, 163515), (209, 133785), (285, 98109), (297, 94145), (495, 56487), (513, 54505), (627, 44595), (855, 32703), (991, 28215), (1045, 26757), (1485, 18829), (1881, 14865), (2565, 10901), (2973, 9405), (3135, 8919), (4955, 5643)]