77886945

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 147411576

約数和(自身を除く): 69524631

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 53, 85, 113, 153, 159, 255, 265, 289, 339, 477, 565, 765, 795, 867, 901, 1017, 1445, 1695, 1921, 2385, 2601, 2703, 4335, 4505, 5085, 5763, 5989, 8109, 9605, 13005, 13515, 15317, 17289, 17967, 28815, 29945, 32657, 40545, 45951, 53901, 76585, 86445, 89835, 97971, 101813, 137853, 163285, 229755, 269505, 293913, 305439, 489855, 509065, 689265, 916317, 1469565, 1527195, 1730821, 4581585, 5192463, 8654105, 15577389, 25962315, 77886945]

約数ペア:

[(1, 77886945), (3, 25962315), (5, 15577389), (9, 8654105), (15, 5192463), (17, 4581585), (45, 1730821), (51, 1527195), (53, 1469565), (85, 916317), (113, 689265), (153, 509065), (159, 489855), (255, 305439), (265, 293913), (289, 269505), (339, 229755), (477, 163285), (565, 137853), (765, 101813), (795, 97971), (867, 89835), (901, 86445), (1017, 76585), (1445, 53901), (1695, 45951), (1921, 40545), (2385, 32657), (2601, 29945), (2703, 28815), (4335, 17967), (4505, 17289), (5085, 15317), (5763, 13515), (5989, 13005), (8109, 9605)]