172863225

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1051}}^1$

素因数の和:1127

約数の個数: 72

約数和(自身を含む): 335773152

約数和(自身を除く): 162909927

約数列:

[1, 3, 5, 9, 15, 17, 25, 43, 45, 51, 75, 85, 129, 153, 215, 225, 255, 387, 425, 645, 731, 765, 1051, 1075, 1275, 1935, 2193, 3153, 3225, 3655, 3825, 5255, 6579, 9459, 9675, 10965, 15765, 17867, 18275, 26275, 32895, 45193, 47295, 53601, 54825, 78825, 89335, 135579, 160803, 164475, 225965, 236475, 268005, 406737, 446675, 677895, 768281, 804015, 1129825, 1340025, 2033685, 2304843, 3389475, 3841405, 4020075, 6914529, 10168425, 11524215, 19207025, 34572645, 57621075, 172863225]

約数ペア:

[(1, 172863225), (3, 57621075), (5, 34572645), (9, 19207025), (15, 11524215), (17, 10168425), (25, 6914529), (43, 4020075), (45, 3841405), (51, 3389475), (75, 2304843), (85, 2033685), (129, 1340025), (153, 1129825), (215, 804015), (225, 768281), (255, 677895), (387, 446675), (425, 406737), (645, 268005), (731, 236475), (765, 225965), (1051, 164475), (1075, 160803), (1275, 135579), (1935, 89335), (2193, 78825), (3153, 54825), (3225, 53601), (3655, 47295), (3825, 45193), (5255, 32895), (6579, 26275), (9459, 18275), (9675, 17867), (10965, 15765)]