51271785

素因数分解:

$3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2221}}^1$

素因数の和:2260

約数の個数: 48

約数和(自身を含む): 97056960

約数和(自身を除く): 45785175

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 243, 285, 405, 513, 855, 1215, 1539, 2221, 2565, 4617, 6663, 7695, 11105, 19989, 23085, 33315, 42199, 59967, 99945, 126597, 179901, 210995, 299835, 379791, 539703, 632985, 899505, 1139373, 1898955, 2698515, 3418119, 5696865, 10254357, 17090595, 51271785]

約数ペア:

[(1, 51271785), (3, 17090595), (5, 10254357), (9, 5696865), (15, 3418119), (19, 2698515), (27, 1898955), (45, 1139373), (57, 899505), (81, 632985), (95, 539703), (135, 379791), (171, 299835), (243, 210995), (285, 179901), (405, 126597), (513, 99945), (855, 59967), (1215, 42199), (1539, 33315), (2221, 23085), (2565, 19989), (4617, 11105), (6663, 7695)]