39997503

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 74260480

約数和(自身を除く): 34262977

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 73, 91, 117, 189, 219, 223, 273, 351, 511, 657, 669, 819, 949, 1533, 1561, 1971, 2007, 2457, 2847, 2899, 4599, 4683, 6021, 6643, 8541, 8697, 13797, 14049, 16279, 19929, 20293, 25623, 26091, 42147, 48837, 59787, 60879, 78273, 113953, 146511, 179361, 182637, 211627, 341859, 439533, 547911, 634881, 1025577, 1481389, 1904643, 3076731, 4444167, 5713929, 13332501, 39997503]

約数ペア:

[(1, 39997503), (3, 13332501), (7, 5713929), (9, 4444167), (13, 3076731), (21, 1904643), (27, 1481389), (39, 1025577), (63, 634881), (73, 547911), (91, 439533), (117, 341859), (189, 211627), (219, 182637), (223, 179361), (273, 146511), (351, 113953), (511, 78273), (657, 60879), (669, 59787), (819, 48837), (949, 42147), (1533, 26091), (1561, 25623), (1971, 20293), (2007, 19929), (2457, 16279), (2847, 14049), (2899, 13797), (4599, 8697), (4683, 8541), (6021, 6643)]