9721908

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:413

約数の個数: 72

約数和(自身を含む): 28374528

約数和(自身を除く): 18652620

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 173, 223, 252, 346, 446, 519, 669, 692, 892, 1038, 1211, 1338, 1557, 1561, 2007, 2076, 2422, 2676, 3114, 3122, 3633, 4014, 4683, 4844, 6228, 6244, 7266, 8028, 9366, 10899, 14049, 14532, 18732, 21798, 28098, 38579, 43596, 56196, 77158, 115737, 154316, 231474, 270053, 347211, 462948, 540106, 694422, 810159, 1080212, 1388844, 1620318, 2430477, 3240636, 4860954, 9721908]

約数ペア:

[(1, 9721908), (2, 4860954), (3, 3240636), (4, 2430477), (6, 1620318), (7, 1388844), (9, 1080212), (12, 810159), (14, 694422), (18, 540106), (21, 462948), (28, 347211), (36, 270053), (42, 231474), (63, 154316), (84, 115737), (126, 77158), (173, 56196), (223, 43596), (252, 38579), (346, 28098), (446, 21798), (519, 18732), (669, 14532), (692, 14049), (892, 10899), (1038, 9366), (1211, 8028), (1338, 7266), (1557, 6244), (1561, 6228), (2007, 4844), (2076, 4683), (2422, 4014), (2676, 3633), (3114, 3122)]