981761865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:782

約数の個数: 64

約数和(自身を含む): 1825044480

約数和(自身を除く): 843282615

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 137, 139, 411, 417, 491, 685, 695, 959, 973, 1473, 2055, 2085, 2455, 2877, 2919, 3437, 4795, 4865, 7365, 10311, 14385, 14595, 17185, 19043, 51555, 57129, 67267, 68249, 95215, 133301, 201801, 204747, 285645, 336335, 341245, 399903, 470869, 477743, 666505, 1009005, 1023735, 1412607, 1433229, 1999515, 2354345, 2388715, 7063035, 7166145, 9350113, 28050339, 46750565, 65450791, 140251695, 196352373, 327253955, 981761865]

約数ペア:

[(1, 981761865), (3, 327253955), (5, 196352373), (7, 140251695), (15, 65450791), (21, 46750565), (35, 28050339), (105, 9350113), (137, 7166145), (139, 7063035), (411, 2388715), (417, 2354345), (491, 1999515), (685, 1433229), (695, 1412607), (959, 1023735), (973, 1009005), (1473, 666505), (2055, 477743), (2085, 470869), (2455, 399903), (2877, 341245), (2919, 336335), (3437, 285645), (4795, 204747), (4865, 201801), (7365, 133301), (10311, 95215), (14385, 68249), (14595, 67267), (17185, 57129), (19043, 51555)]