1311525

素因数分解:

$3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:115

約数の個数: 48

約数和(自身を含む): 2529600

約数和(自身を除く): 1218075

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 67, 75, 87, 135, 145, 201, 225, 261, 335, 435, 603, 675, 725, 783, 1005, 1305, 1675, 1809, 1943, 2175, 3015, 3915, 5025, 5829, 6525, 9045, 9715, 15075, 17487, 19575, 29145, 45225, 48575, 52461, 87435, 145725, 262305, 437175, 1311525]

約数ペア:

[(1, 1311525), (3, 437175), (5, 262305), (9, 145725), (15, 87435), (25, 52461), (27, 48575), (29, 45225), (45, 29145), (67, 19575), (75, 17487), (87, 15075), (135, 9715), (145, 9045), (201, 6525), (225, 5829), (261, 5025), (335, 3915), (435, 3015), (603, 2175), (675, 1943), (725, 1809), (783, 1675), (1005, 1305)]