90939933

素因数分解:

$3^2\times 7^3\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:447

約数の個数: 48

約数和(自身を含む): 155376000

約数和(自身を除く): 64436067

約数列:

[1, 3, 7, 9, 21, 49, 63, 89, 147, 267, 331, 343, 441, 623, 801, 993, 1029, 1869, 2317, 2979, 3087, 4361, 5607, 6951, 13083, 16219, 20853, 29459, 30527, 39249, 48657, 88377, 91581, 113533, 145971, 206213, 265131, 274743, 340599, 618639, 1021797, 1443491, 1855917, 4330473, 10104437, 12991419, 30313311, 90939933]

約数ペア:

[(1, 90939933), (3, 30313311), (7, 12991419), (9, 10104437), (21, 4330473), (49, 1855917), (63, 1443491), (89, 1021797), (147, 618639), (267, 340599), (331, 274743), (343, 265131), (441, 206213), (623, 145971), (801, 113533), (993, 91581), (1029, 88377), (1869, 48657), (2317, 39249), (2979, 30527), (3087, 29459), (4361, 20853), (5607, 16219), (6951, 13083)]