820565775

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1663}}^1$

素因数の和:1742

約数の個数: 96

約数和(自身を含む): 1634181120

約数和(自身を除く): 813615345

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 43, 45, 51, 75, 85, 129, 135, 153, 215, 225, 255, 387, 425, 459, 645, 675, 731, 765, 1075, 1161, 1275, 1663, 1935, 2193, 2295, 3225, 3655, 3825, 4989, 5805, 6579, 8315, 9675, 10965, 11475, 14967, 18275, 19737, 24945, 28271, 29025, 32895, 41575, 44901, 54825, 71509, 74835, 84813, 98685, 124725, 141355, 164475, 214527, 224505, 254439, 357545, 374175, 424065, 493425, 643581, 706775, 763317, 1072635, 1122525, 1215653, 1272195, 1787725, 1930743, 2120325, 3217905, 3646959, 3816585, 5363175, 6078265, 6360975, 9653715, 10940877, 16089525, 18234795, 19082925, 30391325, 32822631, 48268575, 54704385, 91173975, 164113155, 273521925, 820565775]

約数ペア:

[(1, 820565775), (3, 273521925), (5, 164113155), (9, 91173975), (15, 54704385), (17, 48268575), (25, 32822631), (27, 30391325), (43, 19082925), (45, 18234795), (51, 16089525), (75, 10940877), (85, 9653715), (129, 6360975), (135, 6078265), (153, 5363175), (215, 3816585), (225, 3646959), (255, 3217905), (387, 2120325), (425, 1930743), (459, 1787725), (645, 1272195), (675, 1215653), (731, 1122525), (765, 1072635), (1075, 763317), (1161, 706775), (1275, 643581), (1663, 493425), (1935, 424065), (2193, 374175), (2295, 357545), (3225, 254439), (3655, 224505), (3825, 214527), (4989, 164475), (5805, 141355), (6579, 124725), (8315, 98685), (9675, 84813), (10965, 74835), (11475, 71509), (14967, 54825), (18275, 44901), (19737, 41575), (24945, 32895), (28271, 29025)]