25204725

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1231}}^1$

素因数の和:1267

約数の個数: 72

約数和(自身を含む): 55607552

約数和(自身を除く): 30402827

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 35, 39, 45, 63, 65, 75, 91, 105, 117, 175, 195, 225, 273, 315, 325, 455, 525, 585, 819, 975, 1231, 1365, 1575, 2275, 2925, 3693, 4095, 6155, 6825, 8617, 11079, 16003, 18465, 20475, 25851, 30775, 43085, 48009, 55395, 77553, 80015, 92325, 112021, 129255, 144027, 215425, 240045, 276975, 336063, 387765, 400075, 560105, 646275, 720135, 1008189, 1200225, 1680315, 1938825, 2800525, 3600675, 5040945, 8401575, 25204725]

約数ペア:

[(1, 25204725), (3, 8401575), (5, 5040945), (7, 3600675), (9, 2800525), (13, 1938825), (15, 1680315), (21, 1200225), (25, 1008189), (35, 720135), (39, 646275), (45, 560105), (63, 400075), (65, 387765), (75, 336063), (91, 276975), (105, 240045), (117, 215425), (175, 144027), (195, 129255), (225, 112021), (273, 92325), (315, 80015), (325, 77553), (455, 55395), (525, 48009), (585, 43085), (819, 30775), (975, 25851), (1231, 20475), (1365, 18465), (1575, 16003), (2275, 11079), (2925, 8617), (3693, 6825), (4095, 6155)]