26848125

素因数分解:

$3^3\times 5^4\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:109

約数の個数: 80

約数和(自身を含む): 52233280

約数和(自身を除く): 25385155

約数列:

[1, 3, 5, 9, 15, 25, 27, 37, 43, 45, 75, 111, 125, 129, 135, 185, 215, 225, 333, 375, 387, 555, 625, 645, 675, 925, 999, 1075, 1125, 1161, 1591, 1665, 1875, 1935, 2775, 3225, 3375, 4625, 4773, 4995, 5375, 5625, 5805, 7955, 8325, 9675, 13875, 14319, 16125, 16875, 23125, 23865, 24975, 26875, 29025, 39775, 41625, 42957, 48375, 69375, 71595, 80625, 119325, 124875, 145125, 198875, 208125, 214785, 241875, 357975, 596625, 624375, 725625, 994375, 1073925, 1789875, 2983125, 5369625, 8949375, 26848125]

約数ペア:

[(1, 26848125), (3, 8949375), (5, 5369625), (9, 2983125), (15, 1789875), (25, 1073925), (27, 994375), (37, 725625), (43, 624375), (45, 596625), (75, 357975), (111, 241875), (125, 214785), (129, 208125), (135, 198875), (185, 145125), (215, 124875), (225, 119325), (333, 80625), (375, 71595), (387, 69375), (555, 48375), (625, 42957), (645, 41625), (675, 39775), (925, 29025), (999, 26875), (1075, 24975), (1125, 23865), (1161, 23125), (1591, 16875), (1665, 16125), (1875, 14319), (1935, 13875), (2775, 9675), (3225, 8325), (3375, 7955), (4625, 5805), (4773, 5625), (4995, 5375)]