389625795

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1721}}^1$

素因数の和:1794

約数の個数: 80

約数和(自身を含む): 770105952

約数和(自身を除く): 380480157

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 43, 45, 65, 81, 117, 129, 135, 195, 215, 351, 387, 405, 559, 585, 645, 1053, 1161, 1677, 1721, 1755, 1935, 2795, 3483, 5031, 5163, 5265, 5805, 8385, 8605, 15093, 15489, 17415, 22373, 25155, 25815, 45279, 46467, 67119, 74003, 75465, 77445, 111865, 139401, 201357, 222009, 226395, 232335, 335595, 370015, 604071, 666027, 697005, 962039, 1006785, 1110045, 1812213, 1998081, 2886117, 3020355, 3330135, 4810195, 5994243, 8658351, 9061065, 9990405, 14430585, 25975053, 29971215, 43291755, 77925159, 129875265, 389625795]

約数ペア:

[(1, 389625795), (3, 129875265), (5, 77925159), (9, 43291755), (13, 29971215), (15, 25975053), (27, 14430585), (39, 9990405), (43, 9061065), (45, 8658351), (65, 5994243), (81, 4810195), (117, 3330135), (129, 3020355), (135, 2886117), (195, 1998081), (215, 1812213), (351, 1110045), (387, 1006785), (405, 962039), (559, 697005), (585, 666027), (645, 604071), (1053, 370015), (1161, 335595), (1677, 232335), (1721, 226395), (1755, 222009), (1935, 201357), (2795, 139401), (3483, 111865), (5031, 77445), (5163, 75465), (5265, 74003), (5805, 67119), (8385, 46467), (8605, 45279), (15093, 25815), (15489, 25155), (17415, 22373)]