28308735

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:285

約数の個数: 96

約数和(自身を含む): 62619648

約数和(自身を除く): 34310913

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 31, 35, 39, 45, 63, 65, 91, 93, 105, 117, 155, 195, 217, 223, 273, 279, 315, 403, 455, 465, 585, 651, 669, 819, 1085, 1115, 1209, 1365, 1395, 1561, 1953, 2007, 2015, 2821, 2899, 3255, 3345, 3627, 4095, 4683, 6045, 6913, 7805, 8463, 8697, 9765, 10035, 14049, 14105, 14495, 18135, 20293, 20739, 23415, 25389, 26091, 34565, 42315, 43485, 48391, 60879, 62217, 70245, 89869, 101465, 103695, 126945, 130455, 145173, 182637, 241955, 269607, 304395, 311085, 435519, 449345, 629083, 725865, 808821, 913185, 1348035, 1887249, 2177595, 3145415, 4044105, 5661747, 9436245, 28308735]

約数ペア:

[(1, 28308735), (3, 9436245), (5, 5661747), (7, 4044105), (9, 3145415), (13, 2177595), (15, 1887249), (21, 1348035), (31, 913185), (35, 808821), (39, 725865), (45, 629083), (63, 449345), (65, 435519), (91, 311085), (93, 304395), (105, 269607), (117, 241955), (155, 182637), (195, 145173), (217, 130455), (223, 126945), (273, 103695), (279, 101465), (315, 89869), (403, 70245), (455, 62217), (465, 60879), (585, 48391), (651, 43485), (669, 42315), (819, 34565), (1085, 26091), (1115, 25389), (1209, 23415), (1365, 20739), (1395, 20293), (1561, 18135), (1953, 14495), (2007, 14105), (2015, 14049), (2821, 10035), (2899, 9765), (3255, 8697), (3345, 8463), (3627, 7805), (4095, 6913), (4683, 6045)]