23980455

素因数分解:

$3^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:89

約数の個数: 72

約数和(自身を含む): 46764432

約数和(自身を除く): 22783977

約数列:

[1, 3, 5, 9, 15, 17, 27, 43, 45, 51, 81, 85, 129, 135, 153, 215, 243, 255, 387, 405, 459, 645, 729, 731, 765, 1161, 1215, 1377, 1935, 2187, 2193, 2295, 3483, 3645, 3655, 4131, 5805, 6561, 6579, 6885, 10449, 10935, 10965, 12393, 17415, 19737, 20655, 31347, 32805, 32895, 37179, 52245, 59211, 61965, 94041, 98685, 111537, 156735, 177633, 185895, 282123, 296055, 470205, 532899, 557685, 888165, 1410615, 1598697, 2664495, 4796091, 7993485, 23980455]

約数ペア:

[(1, 23980455), (3, 7993485), (5, 4796091), (9, 2664495), (15, 1598697), (17, 1410615), (27, 888165), (43, 557685), (45, 532899), (51, 470205), (81, 296055), (85, 282123), (129, 185895), (135, 177633), (153, 156735), (215, 111537), (243, 98685), (255, 94041), (387, 61965), (405, 59211), (459, 52245), (645, 37179), (729, 32895), (731, 32805), (765, 31347), (1161, 20655), (1215, 19737), (1377, 17415), (1935, 12393), (2187, 10965), (2193, 10935), (2295, 10449), (3483, 6885), (3645, 6579), (3655, 6561), (4131, 5805)]