51198825

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 93732096

約数和(自身を除く): 42533271

約数列:

[1, 3, 5, 15, 19, 25, 31, 57, 61, 75, 93, 95, 155, 183, 285, 305, 361, 465, 475, 589, 775, 915, 1083, 1159, 1425, 1525, 1767, 1805, 1891, 2325, 2945, 3477, 4575, 5415, 5673, 5795, 8835, 9025, 9455, 11191, 14725, 17385, 22021, 27075, 28365, 28975, 33573, 35929, 44175, 47275, 55955, 66063, 86925, 107787, 110105, 141825, 167865, 179645, 279775, 330315, 538935, 550525, 682651, 839325, 898225, 1651575, 2047953, 2694675, 3413255, 10239765, 17066275, 51198825]

約数ペア:

[(1, 51198825), (3, 17066275), (5, 10239765), (15, 3413255), (19, 2694675), (25, 2047953), (31, 1651575), (57, 898225), (61, 839325), (75, 682651), (93, 550525), (95, 538935), (155, 330315), (183, 279775), (285, 179645), (305, 167865), (361, 141825), (465, 110105), (475, 107787), (589, 86925), (775, 66063), (915, 55955), (1083, 47275), (1159, 44175), (1425, 35929), (1525, 33573), (1767, 28975), (1805, 28365), (1891, 27075), (2325, 22021), (2945, 17385), (3477, 14725), (4575, 11191), (5415, 9455), (5673, 9025), (5795, 8835)]