31241325

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 55442880

約数和(自身を除く): 24201555

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 107, 229, 255, 321, 425, 535, 687, 1145, 1275, 1605, 1819, 2675, 3435, 3893, 5457, 5725, 8025, 9095, 11679, 17175, 19465, 24503, 27285, 45475, 58395, 73509, 97325, 122515, 136425, 291975, 367545, 416551, 612575, 1249653, 1837725, 2082755, 6248265, 10413775, 31241325]

約数ペア:

[(1, 31241325), (3, 10413775), (5, 6248265), (15, 2082755), (17, 1837725), (25, 1249653), (51, 612575), (75, 416551), (85, 367545), (107, 291975), (229, 136425), (255, 122515), (321, 97325), (425, 73509), (535, 58395), (687, 45475), (1145, 27285), (1275, 24503), (1605, 19465), (1819, 17175), (2675, 11679), (3435, 9095), (3893, 8025), (5457, 5725)]