2222775

素因数分解:

$3^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 4240800

約数和(自身を除く): 2018025

約数列:

[1, 3, 5, 9, 15, 25, 27, 37, 45, 75, 89, 111, 135, 185, 225, 267, 333, 445, 555, 675, 801, 925, 999, 1335, 1665, 2225, 2403, 2775, 3293, 4005, 4995, 6675, 8325, 9879, 12015, 16465, 20025, 24975, 29637, 49395, 60075, 82325, 88911, 148185, 246975, 444555, 740925, 2222775]

約数ペア:

[(1, 2222775), (3, 740925), (5, 444555), (9, 246975), (15, 148185), (25, 88911), (27, 82325), (37, 60075), (45, 49395), (75, 29637), (89, 24975), (111, 20025), (135, 16465), (185, 12015), (225, 9879), (267, 8325), (333, 6675), (445, 4995), (555, 4005), (675, 3293), (801, 2775), (925, 2403), (999, 2225), (1335, 1665)]