28334439

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 48669504

約数和(自身を除く): 20335065

約数列:

[1, 3, 7, 9, 21, 61, 63, 73, 101, 183, 219, 303, 427, 511, 549, 657, 707, 909, 1281, 1533, 2121, 3843, 4453, 4599, 6161, 6363, 7373, 13359, 18483, 22119, 31171, 40077, 43127, 51611, 55449, 66357, 93513, 129381, 154833, 280539, 388143, 449753, 464499, 1349259, 3148271, 4047777, 9444813, 28334439]

約数ペア:

[(1, 28334439), (3, 9444813), (7, 4047777), (9, 3148271), (21, 1349259), (61, 464499), (63, 449753), (73, 388143), (101, 280539), (183, 154833), (219, 129381), (303, 93513), (427, 66357), (511, 55449), (549, 51611), (657, 43127), (707, 40077), (909, 31171), (1281, 22119), (1533, 18483), (2121, 13359), (3843, 7373), (4453, 6363), (4599, 6161)]