90890595

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{641}}^1$

素因数の和:812

約数の個数: 48

約数和(自身を含む): 165851712

約数和(自身を除く): 74961117

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 137, 207, 345, 411, 641, 685, 1035, 1233, 1923, 2055, 3151, 3205, 5769, 6165, 9453, 9615, 14743, 15755, 28359, 28845, 44229, 47265, 73715, 87817, 132687, 141795, 221145, 263451, 439085, 663435, 790353, 1317255, 2019791, 3951765, 6059373, 10098955, 18178119, 30296865, 90890595]

約数ペア:

[(1, 90890595), (3, 30296865), (5, 18178119), (9, 10098955), (15, 6059373), (23, 3951765), (45, 2019791), (69, 1317255), (115, 790353), (137, 663435), (207, 439085), (345, 263451), (411, 221145), (641, 141795), (685, 132687), (1035, 87817), (1233, 73715), (1923, 47265), (2055, 44229), (3151, 28845), (3205, 28359), (5769, 15755), (6165, 14743), (9453, 9615)]