23151825

素因数分解:

$3^5\times 5^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 44594368

約数和(自身を除く): 21442543

約数列:

[1, 3, 5, 9, 15, 25, 27, 37, 45, 75, 81, 103, 111, 135, 185, 225, 243, 309, 333, 405, 515, 555, 675, 925, 927, 999, 1215, 1545, 1665, 2025, 2575, 2775, 2781, 2997, 3811, 4635, 4995, 6075, 7725, 8325, 8343, 8991, 11433, 13905, 14985, 19055, 23175, 24975, 25029, 34299, 41715, 44955, 57165, 69525, 74925, 95275, 102897, 125145, 171495, 208575, 224775, 285825, 308691, 514485, 625725, 857475, 926073, 1543455, 2572425, 4630365, 7717275, 23151825]

約数ペア:

[(1, 23151825), (3, 7717275), (5, 4630365), (9, 2572425), (15, 1543455), (25, 926073), (27, 857475), (37, 625725), (45, 514485), (75, 308691), (81, 285825), (103, 224775), (111, 208575), (135, 171495), (185, 125145), (225, 102897), (243, 95275), (309, 74925), (333, 69525), (405, 57165), (515, 44955), (555, 41715), (675, 34299), (925, 25029), (927, 24975), (999, 23175), (1215, 19055), (1545, 14985), (1665, 13905), (2025, 11433), (2575, 8991), (2775, 8343), (2781, 8325), (2997, 7725), (3811, 6075), (4635, 4995)]