87872175

素因数分解:

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

素因数の和:182

約数の個数: 72

約数和(自身を含む): 169520400

約数和(自身を除く): 81648225

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, 4489, 5025, 5829, 6525, 9045, 9715, 13467, 15075, 17487, 19575, 22445, 29145, 40401, 45225, 48575, 52461, 67335, 87435, 112225, 121203, 130181, 145725, 202005, 262305, 336675, 390543, 437175, 606015, 650905, 1010025, 1171629, 1311525, 1952715, 3030075, 3254525, 3514887, 5858145, 9763575, 17574435, 29290725, 87872175]

約数ペア:

[(1, 87872175), (3, 29290725), (5, 17574435), (9, 9763575), (15, 5858145), (25, 3514887), (27, 3254525), (29, 3030075), (45, 1952715), (67, 1311525), (75, 1171629), (87, 1010025), (135, 650905), (145, 606015), (201, 437175), (225, 390543), (261, 336675), (335, 262305), (435, 202005), (603, 145725), (675, 130181), (725, 121203), (783, 112225), (1005, 87435), (1305, 67335), (1675, 52461), (1809, 48575), (1943, 45225), (2175, 40401), (3015, 29145), (3915, 22445), (4489, 19575), (5025, 17487), (5829, 15075), (6525, 13467), (9045, 9715)]