155406225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8389}}^1$

素因数の和:8434

約数の個数: 48

約数和(自身を含む): 291300800

約数和(自身を除く): 135894575

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 57, 65, 75, 95, 195, 247, 285, 325, 475, 741, 975, 1235, 1425, 3705, 6175, 8389, 18525, 25167, 41945, 109057, 125835, 159391, 209725, 327171, 478173, 545285, 629175, 796955, 1635855, 2072083, 2390865, 2726425, 3984775, 6216249, 8179275, 10360415, 11954325, 31081245, 51802075, 155406225]

約数ペア:

[(1, 155406225), (3, 51802075), (5, 31081245), (13, 11954325), (15, 10360415), (19, 8179275), (25, 6216249), (39, 3984775), (57, 2726425), (65, 2390865), (75, 2072083), (95, 1635855), (195, 796955), (247, 629175), (285, 545285), (325, 478173), (475, 327171), (741, 209725), (975, 159391), (1235, 125835), (1425, 109057), (3705, 41945), (6175, 25167), (8389, 18525)]