9090090

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 24520320

約数和(自身を除く): 15430230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 131, 135, 257, 262, 270, 393, 514, 655, 771, 786, 1179, 1285, 1310, 1542, 1965, 2313, 2358, 2570, 3537, 3855, 3930, 4626, 5895, 6939, 7074, 7710, 11565, 11790, 13878, 17685, 23130, 33667, 34695, 35370, 67334, 69390, 101001, 168335, 202002, 303003, 336670, 505005, 606006, 909009, 1010010, 1515015, 1818018, 3030030, 4545045, 9090090]

約数ペア:

[(1, 9090090), (2, 4545045), (3, 3030030), (5, 1818018), (6, 1515015), (9, 1010010), (10, 909009), (15, 606006), (18, 505005), (27, 336670), (30, 303003), (45, 202002), (54, 168335), (90, 101001), (131, 69390), (135, 67334), (257, 35370), (262, 34695), (270, 33667), (393, 23130), (514, 17685), (655, 13878), (771, 11790), (786, 11565), (1179, 7710), (1285, 7074), (1310, 6939), (1542, 5895), (1965, 4626), (2313, 3930), (2358, 3855), (2570, 3537)]