25365015

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 49392000

約数和(自身を除く): 24026985

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 97, 117, 135, 149, 195, 291, 351, 447, 485, 585, 745, 873, 1261, 1341, 1455, 1755, 1937, 2235, 2619, 3783, 4023, 4365, 5811, 6305, 6705, 9685, 11349, 13095, 14453, 17433, 18915, 20115, 29055, 34047, 43359, 52299, 56745, 72265, 87165, 130077, 170235, 187889, 216795, 261495, 390231, 563667, 650385, 939445, 1691001, 1951155, 2818335, 5073003, 8455005, 25365015]

約数ペア:

[(1, 25365015), (3, 8455005), (5, 5073003), (9, 2818335), (13, 1951155), (15, 1691001), (27, 939445), (39, 650385), (45, 563667), (65, 390231), (97, 261495), (117, 216795), (135, 187889), (149, 170235), (195, 130077), (291, 87165), (351, 72265), (447, 56745), (485, 52299), (585, 43359), (745, 34047), (873, 29055), (1261, 20115), (1341, 18915), (1455, 17433), (1755, 14453), (1937, 13095), (2235, 11349), (2619, 9685), (3783, 6705), (4023, 6305), (4365, 5811)]