207147975

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{503}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 383725440

約数和(自身を除く): 176577465

約数列:

[1, 3, 5, 15, 17, 19, 25, 51, 57, 75, 85, 95, 255, 285, 289, 323, 425, 475, 503, 867, 969, 1275, 1425, 1445, 1509, 1615, 2515, 4335, 4845, 5491, 7225, 7545, 8075, 8551, 9557, 12575, 16473, 21675, 24225, 25653, 27455, 28671, 37725, 42755, 47785, 82365, 128265, 137275, 143355, 145367, 162469, 213775, 238925, 411825, 436101, 487407, 641325, 716775, 726835, 812345, 2180505, 2437035, 2761973, 3634175, 4061725, 8285919, 10902525, 12185175, 13809865, 41429595, 69049325, 207147975]

約数ペア:

[(1, 207147975), (3, 69049325), (5, 41429595), (15, 13809865), (17, 12185175), (19, 10902525), (25, 8285919), (51, 4061725), (57, 3634175), (75, 2761973), (85, 2437035), (95, 2180505), (255, 812345), (285, 726835), (289, 716775), (323, 641325), (425, 487407), (475, 436101), (503, 411825), (867, 238925), (969, 213775), (1275, 162469), (1425, 145367), (1445, 143355), (1509, 137275), (1615, 128265), (2515, 82365), (4335, 47785), (4845, 42755), (5491, 37725), (7225, 28671), (7545, 27455), (8075, 25653), (8551, 24225), (9557, 21675), (12575, 16473)]