40051809

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 69848064

約数和(自身を除く): 29796255

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 131, 161, 207, 211, 393, 483, 633, 917, 1179, 1449, 1477, 1899, 2751, 3013, 4431, 4853, 8253, 9039, 13293, 14559, 21091, 27117, 27641, 33971, 43677, 63273, 82923, 101913, 189819, 193487, 248769, 305739, 580461, 635743, 1741383, 1907229, 4450201, 5721687, 13350603, 40051809]

約数ペア:

[(1, 40051809), (3, 13350603), (7, 5721687), (9, 4450201), (21, 1907229), (23, 1741383), (63, 635743), (69, 580461), (131, 305739), (161, 248769), (207, 193487), (211, 189819), (393, 101913), (483, 82923), (633, 63273), (917, 43677), (1179, 33971), (1449, 27641), (1477, 27117), (1899, 21091), (2751, 14559), (3013, 13293), (4431, 9039), (4853, 8253)]