72138735

素因数分解:

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

素因数の和:134

約数の個数: 72

約数和(自身を含む): 139476240

約数和(自身を除く): 67337505

約数列:

[1, 3, 5, 9, 15, 17, 27, 43, 45, 51, 85, 129, 135, 153, 215, 255, 289, 387, 459, 645, 731, 765, 867, 1161, 1445, 1849, 1935, 2193, 2295, 2601, 3655, 4335, 5547, 5805, 6579, 7803, 9245, 10965, 12427, 13005, 16641, 19737, 27735, 31433, 32895, 37281, 39015, 49923, 62135, 83205, 94299, 98685, 111843, 157165, 186405, 249615, 282897, 335529, 471495, 534361, 559215, 848691, 1414485, 1603083, 1677645, 2671805, 4243455, 4809249, 8015415, 14427747, 24046245, 72138735]

約数ペア:

[(1, 72138735), (3, 24046245), (5, 14427747), (9, 8015415), (15, 4809249), (17, 4243455), (27, 2671805), (43, 1677645), (45, 1603083), (51, 1414485), (85, 848691), (129, 559215), (135, 534361), (153, 471495), (215, 335529), (255, 282897), (289, 249615), (387, 186405), (459, 157165), (645, 111843), (731, 98685), (765, 94299), (867, 83205), (1161, 62135), (1445, 49923), (1849, 39015), (1935, 37281), (2193, 32895), (2295, 31433), (2601, 27735), (3655, 19737), (4335, 16641), (5547, 13005), (5805, 12427), (6579, 10965), (7803, 9245)]