28493144073

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{431}}^1\times {\mathrm{821}}^1$

素因数の和:1670

約数の個数: 48

約数和(自身を含む): 43209054720

約数和(自身を除く): 14715910647

約数列:

[1, 3, 9, 23, 69, 207, 389, 431, 821, 1167, 1293, 2463, 3501, 3879, 7389, 8947, 9913, 18883, 26841, 29739, 56649, 80523, 89217, 167659, 169947, 319369, 353851, 502977, 958107, 1061553, 1508931, 2874321, 3184659, 3856157, 7345487, 8138573, 11568471, 22036461, 24415719, 34705413, 66109383, 73247157, 137648039, 412944117, 1238832351, 3165904897, 9497714691, 28493144073]

約数ペア:

[(1, 28493144073), (3, 9497714691), (9, 3165904897), (23, 1238832351), (69, 412944117), (207, 137648039), (389, 73247157), (431, 66109383), (821, 34705413), (1167, 24415719), (1293, 22036461), (2463, 11568471), (3501, 8138573), (3879, 7345487), (7389, 3856157), (8947, 3184659), (9913, 2874321), (18883, 1508931), (26841, 1061553), (29739, 958107), (56649, 502977), (80523, 353851), (89217, 319369), (167659, 169947)]