79678785

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 140507136

約数和(自身を除く): 60828351

約数列:

[1, 3, 5, 15, 23, 41, 43, 69, 115, 123, 129, 131, 205, 215, 345, 393, 615, 645, 655, 943, 989, 1763, 1965, 2829, 2967, 3013, 4715, 4945, 5289, 5371, 5633, 8815, 9039, 14145, 14835, 15065, 16113, 16899, 26445, 26855, 28165, 40549, 45195, 80565, 84495, 121647, 123533, 129559, 202745, 230953, 370599, 388677, 608235, 617665, 647795, 692859, 1154765, 1852995, 1943385, 3464295, 5311919, 15935757, 26559595, 79678785]

約数ペア:

[(1, 79678785), (3, 26559595), (5, 15935757), (15, 5311919), (23, 3464295), (41, 1943385), (43, 1852995), (69, 1154765), (115, 692859), (123, 647795), (129, 617665), (131, 608235), (205, 388677), (215, 370599), (345, 230953), (393, 202745), (615, 129559), (645, 123533), (655, 121647), (943, 84495), (989, 80565), (1763, 45195), (1965, 40549), (2829, 28165), (2967, 26855), (3013, 26445), (4715, 16899), (4945, 16113), (5289, 15065), (5371, 14835), (5633, 14145), (8815, 9039)]