47278545

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 77635584

約数和(自身を除く): 30357039

約数列:

[1, 3, 5, 15, 71, 103, 213, 309, 355, 431, 515, 1065, 1293, 1545, 2155, 6465, 7313, 21939, 30601, 36565, 44393, 91803, 109695, 133179, 153005, 221965, 459015, 665895, 3151903, 9455709, 15759515, 47278545]

約数ペア:

[(1, 47278545), (3, 15759515), (5, 9455709), (15, 3151903), (71, 665895), (103, 459015), (213, 221965), (309, 153005), (355, 133179), (431, 109695), (515, 91803), (1065, 44393), (1293, 36565), (1545, 30601), (2155, 21939), (6465, 7313)]