16404507

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^3\times {\mathrm{53}}^1$

素因数の和:117

約数の個数: 48

約数和(自身を含む): 29315520

約数和(自身を除く): 12911013

約数列:

[1, 3, 7, 9, 17, 21, 51, 53, 63, 119, 153, 159, 289, 357, 371, 477, 867, 901, 1071, 1113, 2023, 2601, 2703, 3339, 4913, 6069, 6307, 8109, 14739, 15317, 18207, 18921, 34391, 44217, 45951, 56763, 103173, 107219, 137853, 260389, 309519, 321657, 781167, 964971, 1822723, 2343501, 5468169, 16404507]

約数ペア:

[(1, 16404507), (3, 5468169), (7, 2343501), (9, 1822723), (17, 964971), (21, 781167), (51, 321657), (53, 309519), (63, 260389), (119, 137853), (153, 107219), (159, 103173), (289, 56763), (357, 45951), (371, 44217), (477, 34391), (867, 18921), (901, 18207), (1071, 15317), (1113, 14739), (2023, 8109), (2601, 6307), (2703, 6069), (3339, 4913)]