742365

素因数分解:

$3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:80

約数の個数: 48

約数和(自身を含む): 1467648

約数和(自身を除く): 725283

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 47, 65, 81, 117, 135, 141, 195, 235, 243, 351, 405, 423, 585, 611, 705, 1053, 1215, 1269, 1755, 1833, 2115, 3055, 3159, 3807, 5265, 5499, 6345, 9165, 11421, 15795, 16497, 19035, 27495, 49491, 57105, 82485, 148473, 247455, 742365]

約数ペア:

[(1, 742365), (3, 247455), (5, 148473), (9, 82485), (13, 57105), (15, 49491), (27, 27495), (39, 19035), (45, 16497), (47, 15795), (65, 11421), (81, 9165), (117, 6345), (135, 5499), (141, 5265), (195, 3807), (235, 3159), (243, 3055), (351, 2115), (405, 1833), (423, 1755), (585, 1269), (611, 1215), (705, 1053)]