25416225

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 48514752

約数和(自身を除く): 23098527

約数列:

[1, 3, 5, 9, 15, 25, 37, 43, 45, 71, 75, 111, 129, 185, 213, 215, 225, 333, 355, 387, 555, 639, 645, 925, 1065, 1075, 1591, 1665, 1775, 1935, 2627, 2775, 3053, 3195, 3225, 4773, 5325, 7881, 7955, 8325, 9159, 9675, 13135, 14319, 15265, 15975, 23643, 23865, 27477, 39405, 39775, 45795, 65675, 71595, 76325, 112961, 118215, 119325, 137385, 197025, 228975, 338883, 357975, 564805, 591075, 686925, 1016649, 1694415, 2824025, 5083245, 8472075, 25416225]

約数ペア:

[(1, 25416225), (3, 8472075), (5, 5083245), (9, 2824025), (15, 1694415), (25, 1016649), (37, 686925), (43, 591075), (45, 564805), (71, 357975), (75, 338883), (111, 228975), (129, 197025), (185, 137385), (213, 119325), (215, 118215), (225, 112961), (333, 76325), (355, 71595), (387, 65675), (555, 45795), (639, 39775), (645, 39405), (925, 27477), (1065, 23865), (1075, 23643), (1591, 15975), (1665, 15265), (1775, 14319), (1935, 13135), (2627, 9675), (2775, 9159), (3053, 8325), (3195, 7955), (3225, 7881), (4773, 5325)]