31829763

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 53581824

約数和(自身を除く): 21752061

約数列:

[1, 3, 7, 17, 21, 47, 49, 51, 119, 141, 147, 271, 329, 357, 799, 813, 833, 987, 1897, 2303, 2397, 2499, 4607, 5593, 5691, 6909, 12737, 13279, 13821, 16779, 32249, 38211, 39151, 39837, 89159, 96747, 117453, 216529, 225743, 267477, 624113, 649587, 677229, 1515703, 1872339, 4547109, 10609921, 31829763]

約数ペア:

[(1, 31829763), (3, 10609921), (7, 4547109), (17, 1872339), (21, 1515703), (47, 677229), (49, 649587), (51, 624113), (119, 267477), (141, 225743), (147, 216529), (271, 117453), (329, 96747), (357, 89159), (799, 39837), (813, 39151), (833, 38211), (987, 32249), (1897, 16779), (2303, 13821), (2397, 13279), (2499, 12737), (4607, 6909), (5593, 5691)]