31396518

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1487}}^1$

素因数の和:1538

約数の個数: 64

約数和(自身を含む): 77137920

約数和(自身を除く): 45741402

約数列:

[1, 2, 3, 6, 9, 17, 18, 23, 27, 34, 46, 51, 54, 69, 102, 138, 153, 207, 306, 391, 414, 459, 621, 782, 918, 1173, 1242, 1487, 2346, 2974, 3519, 4461, 7038, 8922, 10557, 13383, 21114, 25279, 26766, 34201, 40149, 50558, 68402, 75837, 80298, 102603, 151674, 205206, 227511, 307809, 455022, 581417, 615618, 682533, 923427, 1162834, 1365066, 1744251, 1846854, 3488502, 5232753, 10465506, 15698259, 31396518]

約数ペア:

[(1, 31396518), (2, 15698259), (3, 10465506), (6, 5232753), (9, 3488502), (17, 1846854), (18, 1744251), (23, 1365066), (27, 1162834), (34, 923427), (46, 682533), (51, 615618), (54, 581417), (69, 455022), (102, 307809), (138, 227511), (153, 205206), (207, 151674), (306, 102603), (391, 80298), (414, 75837), (459, 68402), (621, 50558), (782, 40149), (918, 34201), (1173, 26766), (1242, 25279), (1487, 21114), (2346, 13383), (2974, 10557), (3519, 8922), (4461, 7038)]