51365721

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 85708800

約数和(自身を除く): 34343079

約数列:

[1, 3, 11, 17, 19, 33, 51, 57, 61, 79, 183, 187, 209, 237, 323, 561, 627, 671, 869, 969, 1037, 1159, 1343, 1501, 2013, 2607, 3111, 3477, 3553, 4029, 4503, 4819, 10659, 11407, 12749, 14457, 14773, 16511, 19703, 25517, 34221, 38247, 44319, 49533, 53009, 59109, 76551, 81923, 91561, 159027, 216733, 245769, 274683, 280687, 650199, 842061, 901153, 1007171, 1556537, 2703459, 3021513, 4669611, 17121907, 51365721]

約数ペア:

[(1, 51365721), (3, 17121907), (11, 4669611), (17, 3021513), (19, 2703459), (33, 1556537), (51, 1007171), (57, 901153), (61, 842061), (79, 650199), (183, 280687), (187, 274683), (209, 245769), (237, 216733), (323, 159027), (561, 91561), (627, 81923), (671, 76551), (869, 59109), (969, 53009), (1037, 49533), (1159, 44319), (1343, 38247), (1501, 34221), (2013, 25517), (2607, 19703), (3111, 16511), (3477, 14773), (3553, 14457), (4029, 12749), (4503, 11407), (4819, 10659)]