31245201

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{683}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 53778816

約数和(自身を除く): 22533615

約数列:

[1, 3, 9, 13, 17, 23, 39, 51, 69, 117, 153, 207, 221, 299, 391, 663, 683, 897, 1173, 1989, 2049, 2691, 3519, 5083, 6147, 8879, 11611, 15249, 15709, 26637, 34833, 45747, 47127, 79911, 104499, 141381, 150943, 204217, 267053, 452829, 612651, 801159, 1358487, 1837953, 2403477, 3471689, 10415067, 31245201]

約数ペア:

[(1, 31245201), (3, 10415067), (9, 3471689), (13, 2403477), (17, 1837953), (23, 1358487), (39, 801159), (51, 612651), (69, 452829), (117, 267053), (153, 204217), (207, 150943), (221, 141381), (299, 104499), (391, 79911), (663, 47127), (683, 45747), (897, 34833), (1173, 26637), (1989, 15709), (2049, 15249), (2691, 11611), (3519, 8879), (5083, 6147)]