72206361

素因数分解:

$3^2\times {\mathrm{17}}^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:151

約数の個数: 48

約数和(自身を含む): 117262080

約数和(自身を除く): 45055719

約数列:

[1, 3, 9, 17, 23, 51, 69, 71, 153, 207, 213, 289, 391, 639, 867, 1173, 1207, 1633, 2601, 3519, 3621, 4899, 4913, 6647, 10863, 14697, 14739, 19941, 20519, 27761, 44217, 59823, 61557, 83283, 112999, 184671, 249849, 338997, 348823, 471937, 1016991, 1046469, 1415811, 3139407, 4247433, 8022929, 24068787, 72206361]

約数ペア:

[(1, 72206361), (3, 24068787), (9, 8022929), (17, 4247433), (23, 3139407), (51, 1415811), (69, 1046469), (71, 1016991), (153, 471937), (207, 348823), (213, 338997), (289, 249849), (391, 184671), (639, 112999), (867, 83283), (1173, 61557), (1207, 59823), (1633, 44217), (2601, 27761), (3519, 20519), (3621, 19941), (4899, 14739), (4913, 14697), (6647, 10863)]