28736715

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{947}}^1$

素因数の和:996

約数の個数: 48

約数和(自身を含む): 55878912

約数和(自身を除く): 27142197

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 289, 357, 595, 867, 947, 1445, 1785, 2023, 2841, 4335, 4735, 6069, 6629, 10115, 14205, 16099, 19887, 30345, 33145, 48297, 80495, 99435, 112693, 241485, 273683, 338079, 563465, 821049, 1368415, 1690395, 1915781, 4105245, 5747343, 9578905, 28736715]

約数ペア:

[(1, 28736715), (3, 9578905), (5, 5747343), (7, 4105245), (15, 1915781), (17, 1690395), (21, 1368415), (35, 821049), (51, 563465), (85, 338079), (105, 273683), (119, 241485), (255, 112693), (289, 99435), (357, 80495), (595, 48297), (867, 33145), (947, 30345), (1445, 19887), (1785, 16099), (2023, 14205), (2841, 10115), (4335, 6629), (4735, 6069)]