251670447

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{3967}}^1$

素因数の和:4052

約数の個数: 48

約数和(自身を含む): 445685760

約数和(自身を除く): 194015313

約数列:

[1, 3, 7, 9, 19, 21, 53, 57, 63, 133, 159, 171, 371, 399, 477, 1007, 1113, 1197, 3021, 3339, 3967, 7049, 9063, 11901, 21147, 27769, 35703, 63441, 75373, 83307, 210251, 226119, 249921, 527611, 630753, 678357, 1471757, 1582833, 1892259, 3994769, 4415271, 4748499, 11984307, 13245813, 27963383, 35952921, 83890149, 251670447]

約数ペア:

[(1, 251670447), (3, 83890149), (7, 35952921), (9, 27963383), (19, 13245813), (21, 11984307), (53, 4748499), (57, 4415271), (63, 3994769), (133, 1892259), (159, 1582833), (171, 1471757), (371, 678357), (399, 630753), (477, 527611), (1007, 249921), (1113, 226119), (1197, 210251), (3021, 83307), (3339, 75373), (3967, 63441), (7049, 35703), (9063, 27769), (11901, 21147)]