321905025

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{659}}^1$

素因数の和:855

約数の個数: 72

約数和(自身を含む): 625584960

約数和(自身を除く): 303679935

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 167, 195, 225, 325, 501, 585, 659, 835, 975, 1503, 1977, 2171, 2505, 2925, 3295, 4175, 5931, 6513, 7515, 8567, 9885, 10855, 12525, 16475, 19539, 25701, 29655, 32565, 37575, 42835, 49425, 54275, 77103, 97695, 110053, 128505, 148275, 162825, 214175, 330159, 385515, 488475, 550265, 642525, 990477, 1430689, 1650795, 1927575, 2751325, 4292067, 4952385, 7153445, 8253975, 12876201, 21460335, 24761925, 35767225, 64381005, 107301675, 321905025]

約数ペア:

[(1, 321905025), (3, 107301675), (5, 64381005), (9, 35767225), (13, 24761925), (15, 21460335), (25, 12876201), (39, 8253975), (45, 7153445), (65, 4952385), (75, 4292067), (117, 2751325), (167, 1927575), (195, 1650795), (225, 1430689), (325, 990477), (501, 642525), (585, 550265), (659, 488475), (835, 385515), (975, 330159), (1503, 214175), (1977, 162825), (2171, 148275), (2505, 128505), (2925, 110053), (3295, 97695), (4175, 77103), (5931, 54275), (6513, 49425), (7515, 42835), (8567, 37575), (9885, 32565), (10855, 29655), (12525, 25701), (16475, 19539)]