313619145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{7639}}^1$

素因数の和:7694

約数の個数: 64

約数和(自身を含む): 633692160

約数和(自身を除く): 320073015

約数列:

[1, 3, 5, 7, 15, 17, 21, 23, 35, 51, 69, 85, 105, 115, 119, 161, 255, 345, 357, 391, 483, 595, 805, 1173, 1785, 1955, 2415, 2737, 5865, 7639, 8211, 13685, 22917, 38195, 41055, 53473, 114585, 129863, 160419, 175697, 267365, 389589, 527091, 649315, 802095, 878485, 909041, 1229879, 1947945, 2635455, 2727123, 2986849, 3689637, 4545205, 6149395, 8960547, 13635615, 14934245, 18448185, 20907943, 44802735, 62723829, 104539715, 313619145]

約数ペア:

[(1, 313619145), (3, 104539715), (5, 62723829), (7, 44802735), (15, 20907943), (17, 18448185), (21, 14934245), (23, 13635615), (35, 8960547), (51, 6149395), (69, 4545205), (85, 3689637), (105, 2986849), (115, 2727123), (119, 2635455), (161, 1947945), (255, 1229879), (345, 909041), (357, 878485), (391, 802095), (483, 649315), (595, 527091), (805, 389589), (1173, 267365), (1785, 175697), (1955, 160419), (2415, 129863), (2737, 114585), (5865, 53473), (7639, 41055), (8211, 38195), (13685, 22917)]