253937925

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{337}}^1$

素因数の和:567

約数の個数: 72

約数和(自身を含む): 485466696

約数和(自身を除く): 231528771

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 197, 225, 255, 337, 425, 591, 765, 985, 1011, 1275, 1685, 1773, 2955, 3033, 3349, 3825, 4925, 5055, 5729, 8425, 8865, 10047, 14775, 15165, 16745, 17187, 25275, 28645, 30141, 44325, 50235, 51561, 66389, 75825, 83725, 85935, 143225, 150705, 199167, 251175, 257805, 331945, 429675, 597501, 753525, 995835, 1128613, 1289025, 1659725, 2987505, 3385839, 4979175, 5643065, 10157517, 14937525, 16929195, 28215325, 50787585, 84645975, 253937925]

約数ペア:

[(1, 253937925), (3, 84645975), (5, 50787585), (9, 28215325), (15, 16929195), (17, 14937525), (25, 10157517), (45, 5643065), (51, 4979175), (75, 3385839), (85, 2987505), (153, 1659725), (197, 1289025), (225, 1128613), (255, 995835), (337, 753525), (425, 597501), (591, 429675), (765, 331945), (985, 257805), (1011, 251175), (1275, 199167), (1685, 150705), (1773, 143225), (2955, 85935), (3033, 83725), (3349, 75825), (3825, 66389), (4925, 51561), (5055, 50235), (5729, 44325), (8425, 30141), (8865, 28645), (10047, 25275), (14775, 17187), (15165, 16745)]