53125425

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:112

約数の個数: 108

約数和(自身を含む): 108874480

約数和(自身を除く): 55749055

約数列:

[1, 3, 5, 9, 15, 17, 19, 25, 43, 45, 51, 57, 75, 85, 95, 129, 153, 171, 215, 225, 255, 285, 289, 323, 387, 425, 475, 645, 731, 765, 817, 855, 867, 969, 1075, 1275, 1425, 1445, 1615, 1935, 2193, 2451, 2601, 2907, 3225, 3655, 3825, 4085, 4275, 4335, 4845, 5491, 6579, 7225, 7353, 8075, 9675, 10965, 12255, 12427, 13005, 13889, 14535, 16473, 18275, 20425, 21675, 24225, 27455, 32895, 36765, 37281, 41667, 49419, 54825, 61275, 62135, 65025, 69445, 72675, 82365, 111843, 125001, 137275, 164475, 183825, 186405, 208335, 236113, 247095, 310675, 347225, 411825, 559215, 625005, 708339, 932025, 1041675, 1180565, 1235475, 2125017, 2796075, 3125025, 3541695, 5902825, 10625085, 17708475, 53125425]

約数ペア:

[(1, 53125425), (3, 17708475), (5, 10625085), (9, 5902825), (15, 3541695), (17, 3125025), (19, 2796075), (25, 2125017), (43, 1235475), (45, 1180565), (51, 1041675), (57, 932025), (75, 708339), (85, 625005), (95, 559215), (129, 411825), (153, 347225), (171, 310675), (215, 247095), (225, 236113), (255, 208335), (285, 186405), (289, 183825), (323, 164475), (387, 137275), (425, 125001), (475, 111843), (645, 82365), (731, 72675), (765, 69445), (817, 65025), (855, 62135), (867, 61275), (969, 54825), (1075, 49419), (1275, 41667), (1425, 37281), (1445, 36765), (1615, 32895), (1935, 27455), (2193, 24225), (2451, 21675), (2601, 20425), (2907, 18275), (3225, 16473), (3655, 14535), (3825, 13889), (4085, 13005), (4275, 12427), (4335, 12255), (4845, 10965), (5491, 9675), (6579, 8075), (7225, 7353)]