13970985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 27648000

約数和(自身を除く): 13677015

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 47, 57, 95, 105, 133, 141, 149, 235, 285, 329, 399, 447, 665, 705, 745, 893, 987, 1043, 1645, 1995, 2235, 2679, 2831, 3129, 4465, 4935, 5215, 6251, 7003, 8493, 13395, 14155, 15645, 18753, 19817, 21009, 31255, 35015, 42465, 49021, 59451, 93765, 99085, 105045, 133057, 147063, 245105, 297255, 399171, 665285, 735315, 931399, 1995855, 2794197, 4656995, 13970985]

約数ペア:

[(1, 13970985), (3, 4656995), (5, 2794197), (7, 1995855), (15, 931399), (19, 735315), (21, 665285), (35, 399171), (47, 297255), (57, 245105), (95, 147063), (105, 133057), (133, 105045), (141, 99085), (149, 93765), (235, 59451), (285, 49021), (329, 42465), (399, 35015), (447, 31255), (665, 21009), (705, 19817), (745, 18753), (893, 15645), (987, 14155), (1043, 13395), (1645, 8493), (1995, 7003), (2235, 6251), (2679, 5215), (2831, 4935), (3129, 4465)]