289968705

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{937}}^1$

素因数の和:1007

約数の個数: 72

約数和(自身を含む): 566435688

約数和(自身を除く): 276466983

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 195, 207, 299, 345, 529, 585, 897, 937, 1035, 1495, 1587, 2645, 2691, 2811, 4485, 4685, 4761, 6877, 7935, 8433, 12181, 13455, 14055, 20631, 21551, 23805, 34385, 36543, 42165, 60905, 61893, 64653, 103155, 107755, 109629, 182715, 193959, 280163, 309465, 323265, 495673, 548145, 840489, 969795, 1400815, 1487019, 2478365, 2521467, 4202445, 4461057, 6443749, 7435095, 12607335, 19331247, 22305285, 32218745, 57993741, 96656235, 289968705]

約数ペア:

[(1, 289968705), (3, 96656235), (5, 57993741), (9, 32218745), (13, 22305285), (15, 19331247), (23, 12607335), (39, 7435095), (45, 6443749), (65, 4461057), (69, 4202445), (115, 2521467), (117, 2478365), (195, 1487019), (207, 1400815), (299, 969795), (345, 840489), (529, 548145), (585, 495673), (897, 323265), (937, 309465), (1035, 280163), (1495, 193959), (1587, 182715), (2645, 109629), (2691, 107755), (2811, 103155), (4485, 64653), (4685, 61893), (4761, 60905), (6877, 42165), (7935, 36543), (8433, 34385), (12181, 23805), (13455, 21551), (14055, 20631)]