1235475

素因数分解:

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

素因数の和:69

約数の個数: 54

約数和(自身を含む): 2474420

約数和(自身を除く): 1238945

約数列:

[1, 3, 5, 9, 15, 17, 19, 25, 45, 51, 57, 75, 85, 95, 153, 171, 225, 255, 285, 289, 323, 425, 475, 765, 855, 867, 969, 1275, 1425, 1445, 1615, 2601, 2907, 3825, 4275, 4335, 4845, 5491, 7225, 8075, 13005, 14535, 16473, 21675, 24225, 27455, 49419, 65025, 72675, 82365, 137275, 247095, 411825, 1235475]

約数ペア:

[(1, 1235475), (3, 411825), (5, 247095), (9, 137275), (15, 82365), (17, 72675), (19, 65025), (25, 49419), (45, 27455), (51, 24225), (57, 21675), (75, 16473), (85, 14535), (95, 13005), (153, 8075), (171, 7225), (225, 5491), (255, 4845), (285, 4335), (289, 4275), (323, 3825), (425, 2907), (475, 2601), (765, 1615), (855, 1445), (867, 1425), (969, 1275)]