401390979

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{7193}}^1$

素因数の和:7315

約数の個数: 32

約数和(自身を含む): 621561600

約数和(自身を除く): 220170621

約数列:

[1, 3, 11, 19, 33, 57, 89, 209, 267, 627, 979, 1691, 2937, 5073, 7193, 18601, 21579, 55803, 79123, 136667, 237369, 410001, 640177, 1503337, 1920531, 4510011, 7041947, 12163363, 21125841, 36490089, 133796993, 401390979]

約数ペア:

[(1, 401390979), (3, 133796993), (11, 36490089), (19, 21125841), (33, 12163363), (57, 7041947), (89, 4510011), (209, 1920531), (267, 1503337), (627, 640177), (979, 410001), (1691, 237369), (2937, 136667), (5073, 79123), (7193, 55803), (18601, 21579)]