155331315

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{797}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 277857216

約数和(自身を除く): 122525901

約数列:

[1, 3, 5, 9, 15, 45, 61, 71, 183, 213, 305, 355, 549, 639, 797, 915, 1065, 2391, 2745, 3195, 3985, 4331, 7173, 11955, 12993, 21655, 35865, 38979, 48617, 56587, 64965, 145851, 169761, 194895, 243085, 282935, 437553, 509283, 729255, 848805, 2187765, 2546415, 3451807, 10355421, 17259035, 31066263, 51777105, 155331315]

約数ペア:

[(1, 155331315), (3, 51777105), (5, 31066263), (9, 17259035), (15, 10355421), (45, 3451807), (61, 2546415), (71, 2187765), (183, 848805), (213, 729255), (305, 509283), (355, 437553), (549, 282935), (639, 243085), (797, 194895), (915, 169761), (1065, 145851), (2391, 64965), (2745, 56587), (3195, 48617), (3985, 38979), (4331, 35865), (7173, 21655), (11955, 12993)]