72189975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 143990784

約数和(自身を除く): 71800809

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 53, 55, 65, 75, 127, 143, 159, 165, 195, 265, 275, 325, 381, 429, 583, 635, 689, 715, 795, 825, 975, 1325, 1397, 1651, 1749, 1905, 2067, 2145, 2915, 3175, 3445, 3575, 3975, 4191, 4953, 6731, 6985, 7579, 8255, 8745, 9525, 10335, 10725, 14575, 17225, 18161, 20193, 20955, 22737, 24765, 33655, 34925, 37895, 41275, 43725, 51675, 54483, 74041, 87503, 90805, 100965, 104775, 113685, 123825, 168275, 189475, 222123, 262509, 272415, 370205, 437515, 454025, 504825, 568425, 962533, 1110615, 1312545, 1362075, 1851025, 2187575, 2887599, 4812665, 5553075, 6562725, 14437995, 24063325, 72189975]

約数ペア:

[(1, 72189975), (3, 24063325), (5, 14437995), (11, 6562725), (13, 5553075), (15, 4812665), (25, 2887599), (33, 2187575), (39, 1851025), (53, 1362075), (55, 1312545), (65, 1110615), (75, 962533), (127, 568425), (143, 504825), (159, 454025), (165, 437515), (195, 370205), (265, 272415), (275, 262509), (325, 222123), (381, 189475), (429, 168275), (583, 123825), (635, 113685), (689, 104775), (715, 100965), (795, 90805), (825, 87503), (975, 74041), (1325, 54483), (1397, 51675), (1651, 43725), (1749, 41275), (1905, 37895), (2067, 34925), (2145, 33655), (2915, 24765), (3175, 22737), (3445, 20955), (3575, 20193), (3975, 18161), (4191, 17225), (4953, 14575), (6731, 10725), (6985, 10335), (7579, 9525), (8255, 8745)]