219219975

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{503}}^1$

素因数の和:681

約数の個数: 72

約数和(自身を含む): 426535200

約数和(自身を除く): 207315225

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 149, 195, 225, 325, 447, 503, 585, 745, 975, 1341, 1509, 1937, 2235, 2515, 2925, 3725, 4527, 5811, 6539, 6705, 7545, 9685, 11175, 12575, 17433, 19617, 22635, 29055, 32695, 33525, 37725, 48425, 58851, 74947, 87165, 98085, 113175, 145275, 163475, 224841, 294255, 374735, 435825, 490425, 674523, 974311, 1124205, 1471275, 1873675, 2922933, 3372615, 4871555, 5621025, 8768799, 14614665, 16863075, 24357775, 43843995, 73073325, 219219975]

約数ペア:

[(1, 219219975), (3, 73073325), (5, 43843995), (9, 24357775), (13, 16863075), (15, 14614665), (25, 8768799), (39, 5621025), (45, 4871555), (65, 3372615), (75, 2922933), (117, 1873675), (149, 1471275), (195, 1124205), (225, 974311), (325, 674523), (447, 490425), (503, 435825), (585, 374735), (745, 294255), (975, 224841), (1341, 163475), (1509, 145275), (1937, 113175), (2235, 98085), (2515, 87165), (2925, 74947), (3725, 58851), (4527, 48425), (5811, 37725), (6539, 33525), (6705, 32695), (7545, 29055), (9685, 22635), (11175, 19617), (12575, 17433)]