219325275

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{449}}^1$

素因数の和:645

約数の個数: 72

約数和(自身を含む): 426535200

約数和(自身を除く): 207209925

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 167, 195, 225, 325, 449, 501, 585, 835, 975, 1347, 1503, 2171, 2245, 2505, 2925, 4041, 4175, 5837, 6513, 6735, 7515, 10855, 11225, 12525, 17511, 19539, 20205, 29185, 32565, 33675, 37575, 52533, 54275, 74983, 87555, 97695, 101025, 145925, 162825, 224949, 262665, 374915, 437775, 488475, 674847, 974779, 1124745, 1313325, 1874575, 2924337, 3374235, 4873895, 5623725, 8773011, 14621685, 16871175, 24369475, 43865055, 73108425, 219325275]

約数ペア:

[(1, 219325275), (3, 73108425), (5, 43865055), (9, 24369475), (13, 16871175), (15, 14621685), (25, 8773011), (39, 5623725), (45, 4873895), (65, 3374235), (75, 2924337), (117, 1874575), (167, 1313325), (195, 1124745), (225, 974779), (325, 674847), (449, 488475), (501, 437775), (585, 374915), (835, 262665), (975, 224949), (1347, 162825), (1503, 145925), (2171, 101025), (2245, 97695), (2505, 87555), (2925, 74983), (4041, 54275), (4175, 52533), (5837, 37575), (6513, 33675), (6735, 32565), (7515, 29185), (10855, 20205), (11225, 19539), (12525, 17511)]